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Finding the Fourth Proportional to 3,792.33, 5,691.05 and 1,327.17

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Solution

The fourth proportional to 3,792.33, 5,691.05 and 1,327.17 is: 1,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.33 : 5,691.05 = 1,327.17 : x
  2. Step 2: Convert to fraction form
    3,792.33/5,691.05 = 1,327.17/x
  3. Step 3: Cross multiply
    3,792.33x = 5,691.05 × 1,327.17
  4. Step 4: Simplify right side
    3,792.33x = 7,552,959.06
  5. Step 5: Solve for x
    x = 7,552,959.06/3,792.33
  6. Step 6: Final answer
    x = 1,991.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.