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Finding the Fourth Proportional to 48,507.20, 72,760.80 and 32,955.20

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Solution

The fourth proportional to 48,507.20, 72,760.80 and 32,955.20 is: 49,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,507.20 : 72,760.80 = 32,955.20 : x
  2. Step 2: Convert to fraction form
    48,507.20/72,760.80 = 32,955.20/x
  3. Step 3: Cross multiply
    48,507.20x = 72,760.80 × 32,955.20
  4. Step 4: Simplify right side
    48,507.20x = 2,397,846,716.16
  5. Step 5: Solve for x
    x = 2,397,846,716.16/48,507.20
  6. Step 6: Final answer
    x = 49,432.80

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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.