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Finding the Fourth Proportional to 3,249.72, 4,484.62 and 1,757.65

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Solution

The fourth proportional to 3,249.72, 4,484.62 and 1,757.65 is: 2,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.72 : 4,484.62 = 1,757.65 : x
  2. Step 2: Convert to fraction form
    3,249.72/4,484.62 = 1,757.65/x
  3. Step 3: Cross multiply
    3,249.72x = 4,484.62 × 1,757.65
  4. Step 4: Simplify right side
    3,249.72x = 7,882,392.34
  5. Step 5: Solve for x
    x = 7,882,392.34/3,249.72
  6. Step 6: Final answer
    x = 2,425.56

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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.