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Finding the Fourth Proportional to 62,974.62, 86,845.02 and 48,611.52

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Solution

The fourth proportional to 62,974.62, 86,845.02 and 48,611.52 is: 67,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,974.62 : 86,845.02 = 48,611.52 : x
  2. Step 2: Convert to fraction form
    62,974.62/86,845.02 = 48,611.52/x
  3. Step 3: Cross multiply
    62,974.62x = 86,845.02 × 48,611.52
  4. Step 4: Simplify right side
    62,974.62x = 4,221,668,426.63
  5. Step 5: Solve for x
    x = 4,221,668,426.63/62,974.62
  6. Step 6: Final answer
    x = 67,037.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.