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Finding the Fourth Proportional to 4,361.52, 6,542.49 and 1,439.76

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Solution

The fourth proportional to 4,361.52, 6,542.49 and 1,439.76 is: 2,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,361.52 : 6,542.49 = 1,439.76 : x
  2. Step 2: Convert to fraction form
    4,361.52/6,542.49 = 1,439.76/x
  3. Step 3: Cross multiply
    4,361.52x = 6,542.49 × 1,439.76
  4. Step 4: Simplify right side
    4,361.52x = 9,419,615.40
  5. Step 5: Solve for x
    x = 9,419,615.40/4,361.52
  6. Step 6: Final answer
    x = 2,159.71

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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.