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Finding the Fourth Proportional to 8,508.76, 12,748.08 and 7,263.52

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Solution

The fourth proportional to 8,508.76, 12,748.08 and 7,263.52 is: 10,882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.76 : 12,748.08 = 7,263.52 : x
  2. Step 2: Convert to fraction form
    8,508.76/12,748.08 = 7,263.52/x
  3. Step 3: Cross multiply
    8,508.76x = 12,748.08 × 7,263.52
  4. Step 4: Simplify right side
    8,508.76x = 92,595,934.04
  5. Step 5: Solve for x
    x = 92,595,934.04/8,508.76
  6. Step 6: Final answer
    x = 10,882.42

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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.