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Finding the Fourth Proportional to 64,306.73, 88,746.98 and 36,012.17

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Solution

The fourth proportional to 64,306.73, 88,746.98 and 36,012.17 is: 49,698.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,306.73 : 88,746.98 = 36,012.17 : x
  2. Step 2: Convert to fraction form
    64,306.73/88,746.98 = 36,012.17/x
  3. Step 3: Cross multiply
    64,306.73x = 88,746.98 × 36,012.17
  4. Step 4: Simplify right side
    64,306.73x = 3,195,971,150.69
  5. Step 5: Solve for x
    x = 3,195,971,150.69/64,306.73
  6. Step 6: Final answer
    x = 49,698.86

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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.