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Finding the Fourth Proportional to 6,772.52, 9,344.28 and 4,648.70

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Solution

The fourth proportional to 6,772.52, 9,344.28 and 4,648.70 is: 6,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.52 : 9,344.28 = 4,648.70 : x
  2. Step 2: Convert to fraction form
    6,772.52/9,344.28 = 4,648.70/x
  3. Step 3: Cross multiply
    6,772.52x = 9,344.28 × 4,648.70
  4. Step 4: Simplify right side
    6,772.52x = 43,438,777.80
  5. Step 5: Solve for x
    x = 43,438,777.80/6,772.52
  6. Step 6: Final answer
    x = 6,413.97

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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.