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Finding the Fourth Proportional to 17,890.65, 24,687.86 and 9,932.40

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Solution

The fourth proportional to 17,890.65, 24,687.86 and 9,932.40 is: 13,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.65 : 24,687.86 = 9,932.40 : x
  2. Step 2: Convert to fraction form
    17,890.65/24,687.86 = 9,932.40/x
  3. Step 3: Cross multiply
    17,890.65x = 24,687.86 × 9,932.40
  4. Step 4: Simplify right side
    17,890.65x = 245,209,651.00
  5. Step 5: Solve for x
    x = 245,209,651.00/17,890.65
  6. Step 6: Final answer
    x = 13,706.02

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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.