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Finding the Fourth Proportional to 35,057.28, 48,378.68 and 19,141.68

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Solution

The fourth proportional to 35,057.28, 48,378.68 and 19,141.68 is: 26,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,057.28 : 48,378.68 = 19,141.68 : x
  2. Step 2: Convert to fraction form
    35,057.28/48,378.68 = 19,141.68/x
  3. Step 3: Cross multiply
    35,057.28x = 48,378.68 × 19,141.68
  4. Step 4: Simplify right side
    35,057.28x = 926,049,211.38
  5. Step 5: Solve for x
    x = 926,049,211.38/35,057.28
  6. Step 6: Final answer
    x = 26,415.32

Related Problems

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Half scale
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Double scale
Find fourth proportional to 35,058.28, 48,380.06 and 19,142.68
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.