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Finding the Fourth Proportional to 8,891.74, 13,333.17 and 5,514.88

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Solution

The fourth proportional to 8,891.74, 13,333.17 and 5,514.88 is: 8,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.74 : 13,333.17 = 5,514.88 : x
  2. Step 2: Convert to fraction form
    8,891.74/13,333.17 = 5,514.88/x
  3. Step 3: Cross multiply
    8,891.74x = 13,333.17 × 5,514.88
  4. Step 4: Simplify right side
    8,891.74x = 73,530,799.24
  5. Step 5: Solve for x
    x = 73,530,799.24/8,891.74
  6. Step 6: Final answer
    x = 8,269.56

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1.5x scale

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.