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Finding the Fourth Proportional to 17,921.18, 26,882.12 and 6,522.71

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Solution

The fourth proportional to 17,921.18, 26,882.12 and 6,522.71 is: 9,784.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.18 : 26,882.12 = 6,522.71 : x
  2. Step 2: Convert to fraction form
    17,921.18/26,882.12 = 6,522.71/x
  3. Step 3: Cross multiply
    17,921.18x = 26,882.12 × 6,522.71
  4. Step 4: Simplify right side
    17,921.18x = 175,344,154.84
  5. Step 5: Solve for x
    x = 175,344,154.84/17,921.18
  6. Step 6: Final answer
    x = 9,784.18

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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.