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Finding the Fourth Proportional to 5,481.41, 7,564.39 and 5,062.84

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Solution

The fourth proportional to 5,481.41, 7,564.39 and 5,062.84 is: 6,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.41 : 7,564.39 = 5,062.84 : x
  2. Step 2: Convert to fraction form
    5,481.41/7,564.39 = 5,062.84/x
  3. Step 3: Cross multiply
    5,481.41x = 7,564.39 × 5,062.84
  4. Step 4: Simplify right side
    5,481.41x = 38,297,264.70
  5. Step 5: Solve for x
    x = 38,297,264.70/5,481.41
  6. Step 6: Final answer
    x = 6,986.76

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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.