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Finding the Fourth Proportional to 62,479.80, 93,616.02 and 43,972.92

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Solution

The fourth proportional to 62,479.80, 93,616.02 and 43,972.92 is: 65,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,479.80 : 93,616.02 = 43,972.92 : x
  2. Step 2: Convert to fraction form
    62,479.80/93,616.02 = 43,972.92/x
  3. Step 3: Cross multiply
    62,479.80x = 93,616.02 × 43,972.92
  4. Step 4: Simplify right side
    62,479.80x = 4,116,569,758.18
  5. Step 5: Solve for x
    x = 4,116,569,758.18/62,479.80
  6. Step 6: Final answer
    x = 65,886.41

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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.