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Finding the Fourth Proportional to 2,452.71, 3,385.05 and 1,404.75

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Solution

The fourth proportional to 2,452.71, 3,385.05 and 1,404.75 is: 1,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.71 : 3,385.05 = 1,404.75 : x
  2. Step 2: Convert to fraction form
    2,452.71/3,385.05 = 1,404.75/x
  3. Step 3: Cross multiply
    2,452.71x = 3,385.05 × 1,404.75
  4. Step 4: Simplify right side
    2,452.71x = 4,755,148.99
  5. Step 5: Solve for x
    x = 4,755,148.99/2,452.71
  6. Step 6: Final answer
    x = 1,938.73

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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.