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Finding the Fourth Proportional to 7,408.68, 11,113.02 and 2,968.37

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Solution

The fourth proportional to 7,408.68, 11,113.02 and 2,968.37 is: 4,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.68 : 11,113.02 = 2,968.37 : x
  2. Step 2: Convert to fraction form
    7,408.68/11,113.02 = 2,968.37/x
  3. Step 3: Cross multiply
    7,408.68x = 11,113.02 × 2,968.37
  4. Step 4: Simplify right side
    7,408.68x = 32,987,499.61
  5. Step 5: Solve for x
    x = 32,987,499.61/7,408.68
  6. Step 6: Final answer
    x = 4,452.55

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Similar ratio
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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.