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Finding the Fourth Proportional to 22,711.68, 34,080.48 and 8,857.44

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Solution

The fourth proportional to 22,711.68, 34,080.48 and 8,857.44 is: 13,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,711.68 : 34,080.48 = 8,857.44 : x
  2. Step 2: Convert to fraction form
    22,711.68/34,080.48 = 8,857.44/x
  3. Step 3: Cross multiply
    22,711.68x = 34,080.48 × 8,857.44
  4. Step 4: Simplify right side
    22,711.68x = 301,865,806.77
  5. Step 5: Solve for x
    x = 301,865,806.77/22,711.68
  6. Step 6: Final answer
    x = 13,291.21

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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.