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Finding the Fourth Proportional to 2,732.06, 3,770.12 and 1,553.24

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Solution

The fourth proportional to 2,732.06, 3,770.12 and 1,553.24 is: 2,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.06 : 3,770.12 = 1,553.24 : x
  2. Step 2: Convert to fraction form
    2,732.06/3,770.12 = 1,553.24/x
  3. Step 3: Cross multiply
    2,732.06x = 3,770.12 × 1,553.24
  4. Step 4: Simplify right side
    2,732.06x = 5,855,901.19
  5. Step 5: Solve for x
    x = 5,855,901.19/2,732.06
  6. Step 6: Final answer
    x = 2,143.40

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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.