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Finding the Fourth Proportional to 2,932.87, 4,396.92 and 1,372.12

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Solution

The fourth proportional to 2,932.87, 4,396.92 and 1,372.12 is: 2,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.87 : 4,396.92 = 1,372.12 : x
  2. Step 2: Convert to fraction form
    2,932.87/4,396.92 = 1,372.12/x
  3. Step 3: Cross multiply
    2,932.87x = 4,396.92 × 1,372.12
  4. Step 4: Simplify right side
    2,932.87x = 6,033,101.87
  5. Step 5: Solve for x
    x = 6,033,101.87/2,932.87
  6. Step 6: Final answer
    x = 2,057.06

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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.