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Finding the Fourth Proportional to 27,103.31, 40,655.01 and 17,751.15

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Solution

The fourth proportional to 27,103.31, 40,655.01 and 17,751.15 is: 26,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.31 : 40,655.01 = 17,751.15 : x
  2. Step 2: Convert to fraction form
    27,103.31/40,655.01 = 17,751.15/x
  3. Step 3: Cross multiply
    27,103.31x = 40,655.01 × 17,751.15
  4. Step 4: Simplify right side
    27,103.31x = 721,673,247.33
  5. Step 5: Solve for x
    x = 721,673,247.33/27,103.31
  6. Step 6: Final answer
    x = 26,626.76

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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.