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Finding the Fourth Proportional to 7,492.59, 11,251.64 and 7,179.12

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Solution

The fourth proportional to 7,492.59, 11,251.64 and 7,179.12 is: 10,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.59 : 11,251.64 = 7,179.12 : x
  2. Step 2: Convert to fraction form
    7,492.59/11,251.64 = 7,179.12/x
  3. Step 3: Cross multiply
    7,492.59x = 11,251.64 × 7,179.12
  4. Step 4: Simplify right side
    7,492.59x = 80,776,891.70
  5. Step 5: Solve for x
    x = 80,776,891.70/7,492.59
  6. Step 6: Final answer
    x = 10,780.90

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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.