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Finding the Fourth Proportional to 3,866.12, 5,799.63 and 1,232.70

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Solution

The fourth proportional to 3,866.12, 5,799.63 and 1,232.70 is: 1,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.12 : 5,799.63 = 1,232.70 : x
  2. Step 2: Convert to fraction form
    3,866.12/5,799.63 = 1,232.70/x
  3. Step 3: Cross multiply
    3,866.12x = 5,799.63 × 1,232.70
  4. Step 4: Simplify right side
    3,866.12x = 7,149,203.90
  5. Step 5: Solve for x
    x = 7,149,203.90/3,866.12
  6. Step 6: Final answer
    x = 1,849.19

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Similar ratio
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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.