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Finding the Fourth Proportional to 7,393.96, 10,205.42 and 4,251.98

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Solution

The fourth proportional to 7,393.96, 10,205.42 and 4,251.98 is: 5,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.96 : 10,205.42 = 4,251.98 : x
  2. Step 2: Convert to fraction form
    7,393.96/10,205.42 = 4,251.98/x
  3. Step 3: Cross multiply
    7,393.96x = 10,205.42 × 4,251.98
  4. Step 4: Simplify right side
    7,393.96x = 43,393,241.73
  5. Step 5: Solve for x
    x = 43,393,241.73/7,393.96
  6. Step 6: Final answer
    x = 5,868.74

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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.