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Finding the Fourth Proportional to 63,601.56, 87,808.23 and 39,760.53

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Solution

The fourth proportional to 63,601.56, 87,808.23 and 39,760.53 is: 54,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,601.56 : 87,808.23 = 39,760.53 : x
  2. Step 2: Convert to fraction form
    63,601.56/87,808.23 = 39,760.53/x
  3. Step 3: Cross multiply
    63,601.56x = 87,808.23 × 39,760.53
  4. Step 4: Simplify right side
    63,601.56x = 3,491,301,763.16
  5. Step 5: Solve for x
    x = 3,491,301,763.16/63,601.56
  6. Step 6: Final answer
    x = 54,893.34

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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.