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Finding the Fourth Proportional to 3,574.78, 4,933.47 and 2,249.62

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Solution

The fourth proportional to 3,574.78, 4,933.47 and 2,249.62 is: 3,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.78 : 4,933.47 = 2,249.62 : x
  2. Step 2: Convert to fraction form
    3,574.78/4,933.47 = 2,249.62/x
  3. Step 3: Cross multiply
    3,574.78x = 4,933.47 × 2,249.62
  4. Step 4: Simplify right side
    3,574.78x = 11,098,432.78
  5. Step 5: Solve for x
    x = 11,098,432.78/3,574.78
  6. Step 6: Final answer
    x = 3,104.65

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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.