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Finding the Fourth Proportional to 17,995.52, 26,937.92 and 11,742.06

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Solution

The fourth proportional to 17,995.52, 26,937.92 and 11,742.06 is: 17,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,995.52 : 26,937.92 = 11,742.06 : x
  2. Step 2: Convert to fraction form
    17,995.52/26,937.92 = 11,742.06/x
  3. Step 3: Cross multiply
    17,995.52x = 26,937.92 × 11,742.06
  4. Step 4: Simplify right side
    17,995.52x = 316,306,614.20
  5. Step 5: Solve for x
    x = 316,306,614.20/17,995.52
  6. Step 6: Final answer
    x = 17,576.97

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1.5x scale

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.