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Finding the Fourth Proportional to 17,159.98, 25,740.42 and 5,473.20

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Solution

The fourth proportional to 17,159.98, 25,740.42 and 5,473.20 is: 8,209.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,159.98 : 25,740.42 = 5,473.20 : x
  2. Step 2: Convert to fraction form
    17,159.98/25,740.42 = 5,473.20/x
  3. Step 3: Cross multiply
    17,159.98x = 25,740.42 × 5,473.20
  4. Step 4: Simplify right side
    17,159.98x = 140,882,348.65
  5. Step 5: Solve for x
    x = 140,882,348.65/17,159.98
  6. Step 6: Final answer
    x = 8,209.94

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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.