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Finding the Fourth Proportional to 3,792.62, 5,688.97 and 1,327.44

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Solution

The fourth proportional to 3,792.62, 5,688.97 and 1,327.44 is: 1,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.62 : 5,688.97 = 1,327.44 : x
  2. Step 2: Convert to fraction form
    3,792.62/5,688.97 = 1,327.44/x
  3. Step 3: Cross multiply
    3,792.62x = 5,688.97 × 1,327.44
  4. Step 4: Simplify right side
    3,792.62x = 7,551,752.35
  5. Step 5: Solve for x
    x = 7,551,752.35/3,792.62
  6. Step 6: Final answer
    x = 1,991.17

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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.