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Finding the Fourth Proportional to 5,532.67, 8,255.05 and 5,140.73

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Solution

The fourth proportional to 5,532.67, 8,255.05 and 5,140.73 is: 7,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,532.67 : 8,255.05 = 5,140.73 : x
  2. Step 2: Convert to fraction form
    5,532.67/8,255.05 = 5,140.73/x
  3. Step 3: Cross multiply
    5,532.67x = 8,255.05 × 5,140.73
  4. Step 4: Simplify right side
    5,532.67x = 42,436,990.97
  5. Step 5: Solve for x
    x = 42,436,990.97/5,532.67
  6. Step 6: Final answer
    x = 7,670.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.