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Finding the Fourth Proportional to 2,168.52, 3,251.08 and 934.92

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Solution

The fourth proportional to 2,168.52, 3,251.08 and 934.92 is: 1,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.52 : 3,251.08 = 934.92 : x
  2. Step 2: Convert to fraction form
    2,168.52/3,251.08 = 934.92/x
  3. Step 3: Cross multiply
    2,168.52x = 3,251.08 × 934.92
  4. Step 4: Simplify right side
    2,168.52x = 3,039,499.71
  5. Step 5: Solve for x
    x = 3,039,499.71/2,168.52
  6. Step 6: Final answer
    x = 1,401.65

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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.