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Finding the Fourth Proportional to 62,313, 93,469.70 and 15,565.87

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Solution

The fourth proportional to 62,313, 93,469.70 and 15,565.87 is: 23,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,313 : 93,469.70 = 15,565.87 : x
  2. Step 2: Convert to fraction form
    62,313/93,469.70 = 15,565.87/x
  3. Step 3: Cross multiply
    62,313x = 93,469.70 × 15,565.87
  4. Step 4: Simplify right side
    62,313x = 1,454,937,199.14
  5. Step 5: Solve for x
    x = 1,454,937,199.14/62,313
  6. Step 6: Final answer
    x = 23,348.85

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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.