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Finding the Fourth Proportional to 3,642.01, 5,026.11 and 2,149.85

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Solution

The fourth proportional to 3,642.01, 5,026.11 and 2,149.85 is: 2,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.01 : 5,026.11 = 2,149.85 : x
  2. Step 2: Convert to fraction form
    3,642.01/5,026.11 = 2,149.85/x
  3. Step 3: Cross multiply
    3,642.01x = 5,026.11 × 2,149.85
  4. Step 4: Simplify right side
    3,642.01x = 10,805,382.58
  5. Step 5: Solve for x
    x = 10,805,382.58/3,642.01
  6. Step 6: Final answer
    x = 2,966.87

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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.