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Finding the Fourth Proportional to 3,805.92, 5,252.04 and 2,149.92

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Solution

The fourth proportional to 3,805.92, 5,252.04 and 2,149.92 is: 2,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.92 : 5,252.04 = 2,149.92 : x
  2. Step 2: Convert to fraction form
    3,805.92/5,252.04 = 2,149.92/x
  3. Step 3: Cross multiply
    3,805.92x = 5,252.04 × 2,149.92
  4. Step 4: Simplify right side
    3,805.92x = 11,291,465.84
  5. Step 5: Solve for x
    x = 11,291,465.84/3,805.92
  6. Step 6: Final answer
    x = 2,966.82

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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.