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Finding the Fourth Proportional to 63,808.90, 95,603.96 and 45,055.38

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Solution

The fourth proportional to 63,808.90, 95,603.96 and 45,055.38 is: 67,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,808.90 : 95,603.96 = 45,055.38 : x
  2. Step 2: Convert to fraction form
    63,808.90/95,603.96 = 45,055.38/x
  3. Step 3: Cross multiply
    63,808.90x = 95,603.96 × 45,055.38
  4. Step 4: Simplify right side
    63,808.90x = 4,307,472,747.30
  5. Step 5: Solve for x
    x = 4,307,472,747.30/63,808.90
  6. Step 6: Final answer
    x = 67,505.83

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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.