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Finding the Fourth Proportional to 5,438.88, 7,508.03 and 3,452.49

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Solution

The fourth proportional to 5,438.88, 7,508.03 and 3,452.49 is: 4,765.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.88 : 7,508.03 = 3,452.49 : x
  2. Step 2: Convert to fraction form
    5,438.88/7,508.03 = 3,452.49/x
  3. Step 3: Cross multiply
    5,438.88x = 7,508.03 × 3,452.49
  4. Step 4: Simplify right side
    5,438.88x = 25,921,381.23
  5. Step 5: Solve for x
    x = 25,921,381.23/5,438.88
  6. Step 6: Final answer
    x = 4,765.94

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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.