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Finding the Fourth Proportional to 6,426.44, 8,868.42 and 3,593.88

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Solution

The fourth proportional to 6,426.44, 8,868.42 and 3,593.88 is: 4,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.44 : 8,868.42 = 3,593.88 : x
  2. Step 2: Convert to fraction form
    6,426.44/8,868.42 = 3,593.88/x
  3. Step 3: Cross multiply
    6,426.44x = 8,868.42 × 3,593.88
  4. Step 4: Simplify right side
    6,426.44x = 31,872,037.27
  5. Step 5: Solve for x
    x = 31,872,037.27/6,426.44
  6. Step 6: Final answer
    x = 4,959.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.