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Finding the Fourth Proportional to 36,492.73, 54,744.69 and 15,432.80

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Solution

The fourth proportional to 36,492.73, 54,744.69 and 15,432.80 is: 23,151.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,492.73 : 54,744.69 = 15,432.80 : x
  2. Step 2: Convert to fraction form
    36,492.73/54,744.69 = 15,432.80/x
  3. Step 3: Cross multiply
    36,492.73x = 54,744.69 × 15,432.80
  4. Step 4: Simplify right side
    36,492.73x = 844,863,635.98
  5. Step 5: Solve for x
    x = 844,863,635.98/36,492.73
  6. Step 6: Final answer
    x = 23,151.56

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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.