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Finding the Fourth Proportional to 2,672.67, 4,009.01 and 1,754.04

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Solution

The fourth proportional to 2,672.67, 4,009.01 and 1,754.04 is: 2,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.67 : 4,009.01 = 1,754.04 : x
  2. Step 2: Convert to fraction form
    2,672.67/4,009.01 = 1,754.04/x
  3. Step 3: Cross multiply
    2,672.67x = 4,009.01 × 1,754.04
  4. Step 4: Simplify right side
    2,672.67x = 7,031,957.48
  5. Step 5: Solve for x
    x = 7,031,957.48/2,672.67
  6. Step 6: Final answer
    x = 2,631.06

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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.