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Finding the Fourth Proportional to 61,908.73, 92,772.04 and 36,582.20

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Solution

The fourth proportional to 61,908.73, 92,772.04 and 36,582.20 is: 54,819.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,908.73 : 92,772.04 = 36,582.20 : x
  2. Step 2: Convert to fraction form
    61,908.73/92,772.04 = 36,582.20/x
  3. Step 3: Cross multiply
    61,908.73x = 92,772.04 × 36,582.20
  4. Step 4: Simplify right side
    61,908.73x = 3,393,805,462.16
  5. Step 5: Solve for x
    x = 3,393,805,462.16/61,908.73
  6. Step 6: Final answer
    x = 54,819.50

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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.