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Finding the Fourth Proportional to 8,995.66, 12,414.04 and 5,016.80

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Solution

The fourth proportional to 8,995.66, 12,414.04 and 5,016.80 is: 6,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.66 : 12,414.04 = 5,016.80 : x
  2. Step 2: Convert to fraction form
    8,995.66/12,414.04 = 5,016.80/x
  3. Step 3: Cross multiply
    8,995.66x = 12,414.04 × 5,016.80
  4. Step 4: Simplify right side
    8,995.66x = 62,278,774.37
  5. Step 5: Solve for x
    x = 62,278,774.37/8,995.66
  6. Step 6: Final answer
    x = 6,923.20

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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.