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Finding the Fourth Proportional to 19,414.86, 29,116.98 and 5,371.53

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Solution

The fourth proportional to 19,414.86, 29,116.98 and 5,371.53 is: 8,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414.86 : 29,116.98 = 5,371.53 : x
  2. Step 2: Convert to fraction form
    19,414.86/29,116.98 = 5,371.53/x
  3. Step 3: Cross multiply
    19,414.86x = 29,116.98 × 5,371.53
  4. Step 4: Simplify right side
    19,414.86x = 156,402,731.58
  5. Step 5: Solve for x
    x = 156,402,731.58/19,414.86
  6. Step 6: Final answer
    x = 8,055.83

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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.