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Finding the Fourth Proportional to 7,494.42, 11,238.17 and 4,375.34

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Solution

The fourth proportional to 7,494.42, 11,238.17 and 4,375.34 is: 6,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.42 : 11,238.17 = 4,375.34 : x
  2. Step 2: Convert to fraction form
    7,494.42/11,238.17 = 4,375.34/x
  3. Step 3: Cross multiply
    7,494.42x = 11,238.17 × 4,375.34
  4. Step 4: Simplify right side
    7,494.42x = 49,170,736.66
  5. Step 5: Solve for x
    x = 49,170,736.66/7,494.42
  6. Step 6: Final answer
    x = 6,560.98

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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.