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Finding the Fourth Proportional to 35,060.40, 48,384.40 and 19,145.60

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Solution

The fourth proportional to 35,060.40, 48,384.40 and 19,145.60 is: 26,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,060.40 : 48,384.40 = 19,145.60 : x
  2. Step 2: Convert to fraction form
    35,060.40/48,384.40 = 19,145.60/x
  3. Step 3: Cross multiply
    35,060.40x = 48,384.40 × 19,145.60
  4. Step 4: Simplify right side
    35,060.40x = 926,348,368.64
  5. Step 5: Solve for x
    x = 926,348,368.64/35,060.40
  6. Step 6: Final answer
    x = 26,421.50

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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.