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Finding the Fourth Proportional to 63,658.44, 87,808.86 and 45,475.56

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Solution

The fourth proportional to 63,658.44, 87,808.86 and 45,475.56 is: 62,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,658.44 : 87,808.86 = 45,475.56 : x
  2. Step 2: Convert to fraction form
    63,658.44/87,808.86 = 45,475.56/x
  3. Step 3: Cross multiply
    63,658.44x = 87,808.86 × 45,475.56
  4. Step 4: Simplify right side
    63,658.44x = 3,993,157,081.46
  5. Step 5: Solve for x
    x = 3,993,157,081.46/63,658.44
  6. Step 6: Final answer
    x = 62,727.85

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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.