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Finding the Fourth Proportional to 48,491.20, 72,727.20 and 23,531.20

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Solution

The fourth proportional to 48,491.20, 72,727.20 and 23,531.20 is: 35,292.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,491.20 : 72,727.20 = 23,531.20 : x
  2. Step 2: Convert to fraction form
    48,491.20/72,727.20 = 23,531.20/x
  3. Step 3: Cross multiply
    48,491.20x = 72,727.20 × 23,531.20
  4. Step 4: Simplify right side
    48,491.20x = 1,711,358,288.64
  5. Step 5: Solve for x
    x = 1,711,358,288.64/48,491.20
  6. Step 6: Final answer
    x = 35,292.14

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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.