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Finding the Fourth Proportional to 63,302.88, 87,354.42 and 34,616.85

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Solution

The fourth proportional to 63,302.88, 87,354.42 and 34,616.85 is: 47,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,302.88 : 87,354.42 = 34,616.85 : x
  2. Step 2: Convert to fraction form
    63,302.88/87,354.42 = 34,616.85/x
  3. Step 3: Cross multiply
    63,302.88x = 87,354.42 × 34,616.85
  4. Step 4: Simplify right side
    63,302.88x = 3,023,934,853.98
  5. Step 5: Solve for x
    x = 3,023,934,853.98/63,302.88
  6. Step 6: Final answer
    x = 47,769.31

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1.5x scale

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.