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Finding the Fourth Proportional to 17,902.38, 26,856.30 and 9,132.51

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Solution

The fourth proportional to 17,902.38, 26,856.30 and 9,132.51 is: 13,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,902.38 : 26,856.30 = 9,132.51 : x
  2. Step 2: Convert to fraction form
    17,902.38/26,856.30 = 9,132.51/x
  3. Step 3: Cross multiply
    17,902.38x = 26,856.30 × 9,132.51
  4. Step 4: Simplify right side
    17,902.38x = 245,265,428.31
  5. Step 5: Solve for x
    x = 245,265,428.31/17,902.38
  6. Step 6: Final answer
    x = 13,700.16

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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.