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Finding the Fourth Proportional to 14,041.71, 19,376.69 and 7,754.22

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Solution

The fourth proportional to 14,041.71, 19,376.69 and 7,754.22 is: 10,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.71 : 19,376.69 = 7,754.22 : x
  2. Step 2: Convert to fraction form
    14,041.71/19,376.69 = 7,754.22/x
  3. Step 3: Cross multiply
    14,041.71x = 19,376.69 × 7,754.22
  4. Step 4: Simplify right side
    14,041.71x = 150,251,078.36
  5. Step 5: Solve for x
    x = 150,251,078.36/14,041.71
  6. Step 6: Final answer
    x = 10,700.34

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Half scale
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Double scale
Find fourth proportional to 14,042.71, 19,378.06 and 7,755.22
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.