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Finding the Fourth Proportional to 7,926.02, 11,891.22 and 2,732.30

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Solution

The fourth proportional to 7,926.02, 11,891.22 and 2,732.30 is: 4,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.02 : 11,891.22 = 2,732.30 : x
  2. Step 2: Convert to fraction form
    7,926.02/11,891.22 = 2,732.30/x
  3. Step 3: Cross multiply
    7,926.02x = 11,891.22 × 2,732.30
  4. Step 4: Simplify right side
    7,926.02x = 32,490,380.41
  5. Step 5: Solve for x
    x = 32,490,380.41/7,926.02
  6. Step 6: Final answer
    x = 4,099.20

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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.