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Finding the Fourth Proportional to 8,995.40, 12,414.10 and 5,016.44

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Solution

The fourth proportional to 8,995.40, 12,414.10 and 5,016.44 is: 6,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.40 : 12,414.10 = 5,016.44 : x
  2. Step 2: Convert to fraction form
    8,995.40/12,414.10 = 5,016.44/x
  3. Step 3: Cross multiply
    8,995.40x = 12,414.10 × 5,016.44
  4. Step 4: Simplify right side
    8,995.40x = 62,274,587.80
  5. Step 5: Solve for x
    x = 62,274,587.80/8,995.40
  6. Step 6: Final answer
    x = 6,922.94

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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.