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Finding the Fourth Proportional to 6,710.62, 10,020.71 and 5,480.41

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Solution

The fourth proportional to 6,710.62, 10,020.71 and 5,480.41 is: 8,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,710.62 : 10,020.71 = 5,480.41 : x
  2. Step 2: Convert to fraction form
    6,710.62/10,020.71 = 5,480.41/x
  3. Step 3: Cross multiply
    6,710.62x = 10,020.71 × 5,480.41
  4. Step 4: Simplify right side
    6,710.62x = 54,917,599.29
  5. Step 5: Solve for x
    x = 54,917,599.29/6,710.62
  6. Step 6: Final answer
    x = 8,183.68

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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.