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Finding the Fourth Proportional to 18,063.87, 24,920.24 and 13,864.83

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Solution

The fourth proportional to 18,063.87, 24,920.24 and 13,864.83 is: 19,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.87 : 24,920.24 = 13,864.83 : x
  2. Step 2: Convert to fraction form
    18,063.87/24,920.24 = 13,864.83/x
  3. Step 3: Cross multiply
    18,063.87x = 24,920.24 × 13,864.83
  4. Step 4: Simplify right side
    18,063.87x = 345,514,821.84
  5. Step 5: Solve for x
    x = 345,514,821.84/18,063.87
  6. Step 6: Final answer
    x = 19,127.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.