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Finding the Fourth Proportional to 59,681.92, 89,516.17 and 15,309.71

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Solution

The fourth proportional to 59,681.92, 89,516.17 and 15,309.71 is: 22,962.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,681.92 : 89,516.17 = 15,309.71 : x
  2. Step 2: Convert to fraction form
    59,681.92/89,516.17 = 15,309.71/x
  3. Step 3: Cross multiply
    59,681.92x = 89,516.17 × 15,309.71
  4. Step 4: Simplify right side
    59,681.92x = 1,370,466,603.01
  5. Step 5: Solve for x
    x = 1,370,466,603.01/59,681.92
  6. Step 6: Final answer
    x = 22,962.84

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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.