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Finding the Fourth Proportional to 48,757.60, 73,114.80 and 22,470.40

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Solution

The fourth proportional to 48,757.60, 73,114.80 and 22,470.40 is: 33,695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,757.60 : 73,114.80 = 22,470.40 : x
  2. Step 2: Convert to fraction form
    48,757.60/73,114.80 = 22,470.40/x
  3. Step 3: Cross multiply
    48,757.60x = 73,114.80 × 22,470.40
  4. Step 4: Simplify right side
    48,757.60x = 1,642,918,801.92
  5. Step 5: Solve for x
    x = 1,642,918,801.92/48,757.60
  6. Step 6: Final answer
    x = 33,695.65

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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.