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Finding the Fourth Proportional to 2,792.38, 4,189.52 and 1,753.15

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Solution

The fourth proportional to 2,792.38, 4,189.52 and 1,753.15 is: 2,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.38 : 4,189.52 = 1,753.15 : x
  2. Step 2: Convert to fraction form
    2,792.38/4,189.52 = 1,753.15/x
  3. Step 3: Cross multiply
    2,792.38x = 4,189.52 × 1,753.15
  4. Step 4: Simplify right side
    2,792.38x = 7,344,848.22
  5. Step 5: Solve for x
    x = 7,344,848.22/2,792.38
  6. Step 6: Final answer
    x = 2,630.32

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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.