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Finding the Fourth Proportional to 9,248.67, 12,760.70 and 5,269.70

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Solution

The fourth proportional to 9,248.67, 12,760.70 and 5,269.70 is: 7,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,248.67 : 12,760.70 = 5,269.70 : x
  2. Step 2: Convert to fraction form
    9,248.67/12,760.70 = 5,269.70/x
  3. Step 3: Cross multiply
    9,248.67x = 12,760.70 × 5,269.70
  4. Step 4: Simplify right side
    9,248.67x = 67,245,060.79
  5. Step 5: Solve for x
    x = 67,245,060.79/9,248.67
  6. Step 6: Final answer
    x = 7,270.78

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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.