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Finding the Fourth Proportional to 72,376.29, 108,537.80 and 24,979.32

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Solution

The fourth proportional to 72,376.29, 108,537.80 and 24,979.32 is: 37,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,376.29 : 108,537.80 = 24,979.32 : x
  2. Step 2: Convert to fraction form
    72,376.29/108,537.80 = 24,979.32/x
  3. Step 3: Cross multiply
    72,376.29x = 108,537.80 × 24,979.32
  4. Step 4: Simplify right side
    72,376.29x = 2,711,200,313.40
  5. Step 5: Solve for x
    x = 2,711,200,313.40/72,376.29
  6. Step 6: Final answer
    x = 37,459.79

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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.