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Finding the Fourth Proportional to 61,008.73, 83,937.95 and 53,807.29

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Solution

The fourth proportional to 61,008.73, 83,937.95 and 53,807.29 is: 74,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,008.73 : 83,937.95 = 53,807.29 : x
  2. Step 2: Convert to fraction form
    61,008.73/83,937.95 = 53,807.29/x
  3. Step 3: Cross multiply
    61,008.73x = 83,937.95 × 53,807.29
  4. Step 4: Simplify right side
    61,008.73x = 4,516,473,348.62
  5. Step 5: Solve for x
    x = 4,516,473,348.62/61,008.73
  6. Step 6: Final answer
    x = 74,029.95

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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.