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Finding the Fourth Proportional to 17,865.32, 26,776.62 and 6,172.04

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Solution

The fourth proportional to 17,865.32, 26,776.62 and 6,172.04 is: 9,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.32 : 26,776.62 = 6,172.04 : x
  2. Step 2: Convert to fraction form
    17,865.32/26,776.62 = 6,172.04/x
  3. Step 3: Cross multiply
    17,865.32x = 26,776.62 × 6,172.04
  4. Step 4: Simplify right side
    17,865.32x = 165,266,369.70
  5. Step 5: Solve for x
    x = 165,266,369.70/17,865.32
  6. Step 6: Final answer
    x = 9,250.68

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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.