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Finding the Fourth Proportional to 7,249.66, 10,877.92 and 3,962.65

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Solution

The fourth proportional to 7,249.66, 10,877.92 and 3,962.65 is: 5,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.66 : 10,877.92 = 3,962.65 : x
  2. Step 2: Convert to fraction form
    7,249.66/10,877.92 = 3,962.65/x
  3. Step 3: Cross multiply
    7,249.66x = 10,877.92 × 3,962.65
  4. Step 4: Simplify right side
    7,249.66x = 43,105,389.69
  5. Step 5: Solve for x
    x = 43,105,389.69/7,249.66
  6. Step 6: Final answer
    x = 5,945.85

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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.