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Finding the Fourth Proportional to 8,007.84, 11,049.66 and 4,863.42

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Solution

The fourth proportional to 8,007.84, 11,049.66 and 4,863.42 is: 6,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.84 : 11,049.66 = 4,863.42 : x
  2. Step 2: Convert to fraction form
    8,007.84/11,049.66 = 4,863.42/x
  3. Step 3: Cross multiply
    8,007.84x = 11,049.66 × 4,863.42
  4. Step 4: Simplify right side
    8,007.84x = 53,739,137.44
  5. Step 5: Solve for x
    x = 53,739,137.44/8,007.84
  6. Step 6: Final answer
    x = 6,710.82

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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.