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Finding the Fourth Proportional to 58,691.49, 80,993.03 and 31,832.97

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Solution

The fourth proportional to 58,691.49, 80,993.03 and 31,832.97 is: 43,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,691.49 : 80,993.03 = 31,832.97 : x
  2. Step 2: Convert to fraction form
    58,691.49/80,993.03 = 31,832.97/x
  3. Step 3: Cross multiply
    58,691.49x = 80,993.03 × 31,832.97
  4. Step 4: Simplify right side
    58,691.49x = 2,578,248,535.03
  5. Step 5: Solve for x
    x = 2,578,248,535.03/58,691.49
  6. Step 6: Final answer
    x = 43,928.83

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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.