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Finding the Fourth Proportional to 48,757.60, 67,285.80 and 29,891.12

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Solution

The fourth proportional to 48,757.60, 67,285.80 and 29,891.12 is: 41,249.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,757.60 : 67,285.80 = 29,891.12 : x
  2. Step 2: Convert to fraction form
    48,757.60/67,285.80 = 29,891.12/x
  3. Step 3: Cross multiply
    48,757.60x = 67,285.80 × 29,891.12
  4. Step 4: Simplify right side
    48,757.60x = 2,011,247,922.10
  5. Step 5: Solve for x
    x = 2,011,247,922.10/48,757.60
  6. Step 6: Final answer
    x = 41,249.94

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1.5x scale

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.