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Finding the Fourth Proportional to 8,565.97, 12,853.82 and 3,375.49

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Solution

The fourth proportional to 8,565.97, 12,853.82 and 3,375.49 is: 5,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.97 : 12,853.82 = 3,375.49 : x
  2. Step 2: Convert to fraction form
    8,565.97/12,853.82 = 3,375.49/x
  3. Step 3: Cross multiply
    8,565.97x = 12,853.82 × 3,375.49
  4. Step 4: Simplify right side
    8,565.97x = 43,387,968.79
  5. Step 5: Solve for x
    x = 43,387,968.79/8,565.97
  6. Step 6: Final answer
    x = 5,065.15

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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.