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Finding the Fourth Proportional to 2,939.84, 4,404.48 and 2,452.16

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Solution

The fourth proportional to 2,939.84, 4,404.48 and 2,452.16 is: 3,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.84 : 4,404.48 = 2,452.16 : x
  2. Step 2: Convert to fraction form
    2,939.84/4,404.48 = 2,452.16/x
  3. Step 3: Cross multiply
    2,939.84x = 4,404.48 × 2,452.16
  4. Step 4: Simplify right side
    2,939.84x = 10,800,489.68
  5. Step 5: Solve for x
    x = 10,800,489.68/2,939.84
  6. Step 6: Final answer
    x = 3,673.84

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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.