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Finding the Fourth Proportional to 2,472.66, 3,709.95 and 1,487.34

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Solution

The fourth proportional to 2,472.66, 3,709.95 and 1,487.34 is: 2,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.66 : 3,709.95 = 1,487.34 : x
  2. Step 2: Convert to fraction form
    2,472.66/3,709.95 = 1,487.34/x
  3. Step 3: Cross multiply
    2,472.66x = 3,709.95 × 1,487.34
  4. Step 4: Simplify right side
    2,472.66x = 5,517,957.03
  5. Step 5: Solve for x
    x = 5,517,957.03/2,472.66
  6. Step 6: Final answer
    x = 2,231.59

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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.