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Finding the Fourth Proportional to 63,469.85, 87,587.84 and 34,791.11

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Solution

The fourth proportional to 63,469.85, 87,587.84 and 34,791.11 is: 48,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,469.85 : 87,587.84 = 34,791.11 : x
  2. Step 2: Convert to fraction form
    63,469.85/87,587.84 = 34,791.11/x
  3. Step 3: Cross multiply
    63,469.85x = 87,587.84 × 34,791.11
  4. Step 4: Simplify right side
    63,469.85x = 3,047,277,564.21
  5. Step 5: Solve for x
    x = 3,047,277,564.21/63,469.85
  6. Step 6: Final answer
    x = 48,011.42

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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.