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Finding the Fourth Proportional to 7,257.75, 10,885.87 and 2,330.92

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Solution

The fourth proportional to 7,257.75, 10,885.87 and 2,330.92 is: 3,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.75 : 10,885.87 = 2,330.92 : x
  2. Step 2: Convert to fraction form
    7,257.75/10,885.87 = 2,330.92/x
  3. Step 3: Cross multiply
    7,257.75x = 10,885.87 × 2,330.92
  4. Step 4: Simplify right side
    7,257.75x = 25,374,092.10
  5. Step 5: Solve for x
    x = 25,374,092.10/7,257.75
  6. Step 6: Final answer
    x = 3,496.14

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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.