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Finding the Fourth Proportional to 2,472.90, 3,709.35 and 1,013.10

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Solution

The fourth proportional to 2,472.90, 3,709.35 and 1,013.10 is: 1,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.90 : 3,709.35 = 1,013.10 : x
  2. Step 2: Convert to fraction form
    2,472.90/3,709.35 = 1,013.10/x
  3. Step 3: Cross multiply
    2,472.90x = 3,709.35 × 1,013.10
  4. Step 4: Simplify right side
    2,472.90x = 3,757,942.49
  5. Step 5: Solve for x
    x = 3,757,942.49/2,472.90
  6. Step 6: Final answer
    x = 1,519.65

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Similar ratio
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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.