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Finding the Fourth Proportional to 8,016.80, 11,065.07 and 4,872.38

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Solution

The fourth proportional to 8,016.80, 11,065.07 and 4,872.38 is: 6,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,016.80 : 11,065.07 = 4,872.38 : x
  2. Step 2: Convert to fraction form
    8,016.80/11,065.07 = 4,872.38/x
  3. Step 3: Cross multiply
    8,016.80x = 11,065.07 × 4,872.38
  4. Step 4: Simplify right side
    8,016.80x = 53,913,182.62
  5. Step 5: Solve for x
    x = 53,913,182.62/8,016.80
  6. Step 6: Final answer
    x = 6,725.03

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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.