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Finding the Fourth Proportional to 65,429.71, 98,193.47 and 25,454.99

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Solution

The fourth proportional to 65,429.71, 98,193.47 and 25,454.99 is: 38,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,429.71 : 98,193.47 = 25,454.99 : x
  2. Step 2: Convert to fraction form
    65,429.71/98,193.47 = 25,454.99/x
  3. Step 3: Cross multiply
    65,429.71x = 98,193.47 × 25,454.99
  4. Step 4: Simplify right side
    65,429.71x = 2,499,513,915.12
  5. Step 5: Solve for x
    x = 2,499,513,915.12/65,429.71
  6. Step 6: Final answer
    x = 38,201.51

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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.