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Finding the Fourth Proportional to 2,732.01, 3,770.49 and 1,553.26

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Solution

The fourth proportional to 2,732.01, 3,770.49 and 1,553.26 is: 2,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.01 : 3,770.49 = 1,553.26 : x
  2. Step 2: Convert to fraction form
    2,732.01/3,770.49 = 1,553.26/x
  3. Step 3: Cross multiply
    2,732.01x = 3,770.49 × 1,553.26
  4. Step 4: Simplify right side
    2,732.01x = 5,856,547.70
  5. Step 5: Solve for x
    x = 5,856,547.70/2,732.01
  6. Step 6: Final answer
    x = 2,143.68

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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.