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Finding the Fourth Proportional to 5,489.73, 8,275.61 and 5,022.68

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Solution

The fourth proportional to 5,489.73, 8,275.61 and 5,022.68 is: 7,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.73 : 8,275.61 = 5,022.68 : x
  2. Step 2: Convert to fraction form
    5,489.73/8,275.61 = 5,022.68/x
  3. Step 3: Cross multiply
    5,489.73x = 8,275.61 × 5,022.68
  4. Step 4: Simplify right side
    5,489.73x = 41,565,712.01
  5. Step 5: Solve for x
    x = 41,565,712.01/5,489.73
  6. Step 6: Final answer
    x = 7,571.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.