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Finding the Fourth Proportional to 63,471.98, 87,589.42 and 34,791.02

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Solution

The fourth proportional to 63,471.98, 87,589.42 and 34,791.02 is: 48,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,471.98 : 87,589.42 = 34,791.02 : x
  2. Step 2: Convert to fraction form
    63,471.98/87,589.42 = 34,791.02/x
  3. Step 3: Cross multiply
    63,471.98x = 87,589.42 × 34,791.02
  4. Step 4: Simplify right side
    63,471.98x = 3,047,325,263.01
  5. Step 5: Solve for x
    x = 3,047,325,263.01/63,471.98
  6. Step 6: Final answer
    x = 48,010.56

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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.