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Finding the Fourth Proportional to 4,192.70, 6,293.90 and 2,248.70

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Solution

The fourth proportional to 4,192.70, 6,293.90 and 2,248.70 is: 3,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.70 : 6,293.90 = 2,248.70 : x
  2. Step 2: Convert to fraction form
    4,192.70/6,293.90 = 2,248.70/x
  3. Step 3: Cross multiply
    4,192.70x = 6,293.90 × 2,248.70
  4. Step 4: Simplify right side
    4,192.70x = 14,153,067.08
  5. Step 5: Solve for x
    x = 14,153,067.08/4,192.70
  6. Step 6: Final answer
    x = 3,375.65

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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.