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Finding the Fourth Proportional to 3,338.72, 5,008.77 and 2,299.22

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Solution

The fourth proportional to 3,338.72, 5,008.77 and 2,299.22 is: 3,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.72 : 5,008.77 = 2,299.22 : x
  2. Step 2: Convert to fraction form
    3,338.72/5,008.77 = 2,299.22/x
  3. Step 3: Cross multiply
    3,338.72x = 5,008.77 × 2,299.22
  4. Step 4: Simplify right side
    3,338.72x = 11,516,257.90
  5. Step 5: Solve for x
    x = 11,516,257.90/3,338.72
  6. Step 6: Final answer
    x = 3,449.30

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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.