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Finding the Fourth Proportional to 72,449.05, 108,596.86 and 24,371.88

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Solution

The fourth proportional to 72,449.05, 108,596.86 and 24,371.88 is: 36,532.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,449.05 : 108,596.86 = 24,371.88 : x
  2. Step 2: Convert to fraction form
    72,449.05/108,596.86 = 24,371.88/x
  3. Step 3: Cross multiply
    72,449.05x = 108,596.86 × 24,371.88
  4. Step 4: Simplify right side
    72,449.05x = 2,646,709,640.30
  5. Step 5: Solve for x
    x = 2,646,709,640.30/72,449.05
  6. Step 6: Final answer
    x = 36,532.01

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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.