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Finding the Fourth Proportional to 8,891.73, 13,345.96 and 4,512.33

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Solution

The fourth proportional to 8,891.73, 13,345.96 and 4,512.33 is: 6,772.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.73 : 13,345.96 = 4,512.33 : x
  2. Step 2: Convert to fraction form
    8,891.73/13,345.96 = 4,512.33/x
  3. Step 3: Cross multiply
    8,891.73x = 13,345.96 × 4,512.33
  4. Step 4: Simplify right side
    8,891.73x = 60,221,375.69
  5. Step 5: Solve for x
    x = 60,221,375.69/8,891.73
  6. Step 6: Final answer
    x = 6,772.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.