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Finding the Fourth Proportional to 48,691.42, 73,037.13 and 11,755.42

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Solution

The fourth proportional to 48,691.42, 73,037.13 and 11,755.42 is: 17,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,691.42 : 73,037.13 = 11,755.42 : x
  2. Step 2: Convert to fraction form
    48,691.42/73,037.13 = 11,755.42/x
  3. Step 3: Cross multiply
    48,691.42x = 73,037.13 × 11,755.42
  4. Step 4: Simplify right side
    48,691.42x = 858,582,138.74
  5. Step 5: Solve for x
    x = 858,582,138.74/48,691.42
  6. Step 6: Final answer
    x = 17,633.13

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1.5x scale

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.