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Finding the Fourth Proportional to 24,809.92, 34,238.72 and 13,632

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Solution

The fourth proportional to 24,809.92, 34,238.72 and 13,632 is: 18,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,809.92 : 34,238.72 = 13,632 : x
  2. Step 2: Convert to fraction form
    24,809.92/34,238.72 = 13,632/x
  3. Step 3: Cross multiply
    24,809.92x = 34,238.72 × 13,632
  4. Step 4: Simplify right side
    24,809.92x = 466,742,231.04
  5. Step 5: Solve for x
    x = 466,742,231.04/24,809.92
  6. Step 6: Final answer
    x = 18,812.73

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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.