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Finding the Fourth Proportional to 57,639, 86,383.17 and 29,535.24

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Solution

The fourth proportional to 57,639, 86,383.17 and 29,535.24 is: 44,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,639 : 86,383.17 = 29,535.24 : x
  2. Step 2: Convert to fraction form
    57,639/86,383.17 = 29,535.24/x
  3. Step 3: Cross multiply
    57,639x = 86,383.17 × 29,535.24
  4. Step 4: Simplify right side
    57,639x = 2,551,347,657.91
  5. Step 5: Solve for x
    x = 2,551,347,657.91/57,639
  6. Step 6: Final answer
    x = 44,264.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.