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Finding the Fourth Proportional to 63,589.88, 87,752.42 and 34,909.40

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Solution

The fourth proportional to 63,589.88, 87,752.42 and 34,909.40 is: 48,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,589.88 : 87,752.42 = 34,909.40 : x
  2. Step 2: Convert to fraction form
    63,589.88/87,752.42 = 34,909.40/x
  3. Step 3: Cross multiply
    63,589.88x = 87,752.42 × 34,909.40
  4. Step 4: Simplify right side
    63,589.88x = 3,063,384,330.75
  5. Step 5: Solve for x
    x = 3,063,384,330.75/63,589.88
  6. Step 6: Final answer
    x = 48,174.09

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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.