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Finding the Fourth Proportional to 7,492.65, 11,231.07 and 2,493.68

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Solution

The fourth proportional to 7,492.65, 11,231.07 and 2,493.68 is: 3,737.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.65 : 11,231.07 = 2,493.68 : x
  2. Step 2: Convert to fraction form
    7,492.65/11,231.07 = 2,493.68/x
  3. Step 3: Cross multiply
    7,492.65x = 11,231.07 × 2,493.68
  4. Step 4: Simplify right side
    7,492.65x = 28,006,700.87
  5. Step 5: Solve for x
    x = 28,006,700.87/7,492.65
  6. Step 6: Final answer
    x = 3,737.89

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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.