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Finding the Fourth Proportional to 17,817.18, 24,700.12 and 16,869.17

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Solution

The fourth proportional to 17,817.18, 24,700.12 and 16,869.17 is: 23,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,817.18 : 24,700.12 = 16,869.17 : x
  2. Step 2: Convert to fraction form
    17,817.18/24,700.12 = 16,869.17/x
  3. Step 3: Cross multiply
    17,817.18x = 24,700.12 × 16,869.17
  4. Step 4: Simplify right side
    17,817.18x = 416,670,542.88
  5. Step 5: Solve for x
    x = 416,670,542.88/17,817.18
  6. Step 6: Final answer
    x = 23,385.89

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.