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Finding the Fourth Proportional to 2,472.67, 3,709.05 and 1,011.70

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Solution

The fourth proportional to 2,472.67, 3,709.05 and 1,011.70 is: 1,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.67 : 3,709.05 = 1,011.70 : x
  2. Step 2: Convert to fraction form
    2,472.67/3,709.05 = 1,011.70/x
  3. Step 3: Cross multiply
    2,472.67x = 3,709.05 × 1,011.70
  4. Step 4: Simplify right side
    2,472.67x = 3,752,445.89
  5. Step 5: Solve for x
    x = 3,752,445.89/2,472.67
  6. Step 6: Final answer
    x = 1,517.57

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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.