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Finding the Fourth Proportional to 8,867.25, 13,300.88 and 2,711.25

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Solution

The fourth proportional to 8,867.25, 13,300.88 and 2,711.25 is: 4,066.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.25 : 13,300.88 = 2,711.25 : x
  2. Step 2: Convert to fraction form
    8,867.25/13,300.88 = 2,711.25/x
  3. Step 3: Cross multiply
    8,867.25x = 13,300.88 × 2,711.25
  4. Step 4: Simplify right side
    8,867.25x = 36,061,997.34
  5. Step 5: Solve for x
    x = 36,061,997.34/8,867.25
  6. Step 6: Final answer
    x = 4,066.88

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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.