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Finding the Fourth Proportional to 14,805.66, 22,191.22 and 5,438.62

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Solution

The fourth proportional to 14,805.66, 22,191.22 and 5,438.62 is: 8,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805.66 : 22,191.22 = 5,438.62 : x
  2. Step 2: Convert to fraction form
    14,805.66/22,191.22 = 5,438.62/x
  3. Step 3: Cross multiply
    14,805.66x = 22,191.22 × 5,438.62
  4. Step 4: Simplify right side
    14,805.66x = 120,689,612.92
  5. Step 5: Solve for x
    x = 120,689,612.92/14,805.66
  6. Step 6: Final answer
    x = 8,151.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.