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Finding the Fourth Proportional to 71,374.77, 107,071.88 and 24,631.29

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Solution

The fourth proportional to 71,374.77, 107,071.88 and 24,631.29 is: 36,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,374.77 : 107,071.88 = 24,631.29 : x
  2. Step 2: Convert to fraction form
    71,374.77/107,071.88 = 24,631.29/x
  3. Step 3: Cross multiply
    71,374.77x = 107,071.88 × 24,631.29
  4. Step 4: Simplify right side
    71,374.77x = 2,637,318,403.97
  5. Step 5: Solve for x
    x = 2,637,318,403.97/71,374.77
  6. Step 6: Final answer
    x = 36,950.29

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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.