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Finding the Fourth Proportional to 8,874.80, 13,310.93 and 2,635.47

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Solution

The fourth proportional to 8,874.80, 13,310.93 and 2,635.47 is: 3,952.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.80 : 13,310.93 = 2,635.47 : x
  2. Step 2: Convert to fraction form
    8,874.80/13,310.93 = 2,635.47/x
  3. Step 3: Cross multiply
    8,874.80x = 13,310.93 × 2,635.47
  4. Step 4: Simplify right side
    8,874.80x = 35,080,563.28
  5. Step 5: Solve for x
    x = 35,080,563.28/8,874.80
  6. Step 6: Final answer
    x = 3,952.83

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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.