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Finding the Fourth Proportional to 3,767.99, 5,648.87 and 1,792.55

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Solution

The fourth proportional to 3,767.99, 5,648.87 and 1,792.55 is: 2,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.99 : 5,648.87 = 1,792.55 : x
  2. Step 2: Convert to fraction form
    3,767.99/5,648.87 = 1,792.55/x
  3. Step 3: Cross multiply
    3,767.99x = 5,648.87 × 1,792.55
  4. Step 4: Simplify right side
    3,767.99x = 10,125,900.52
  5. Step 5: Solve for x
    x = 10,125,900.52/3,767.99
  6. Step 6: Final answer
    x = 2,687.35

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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.