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Finding the Fourth Proportional to 38,751.72, 58,168.54 and 17,995.24

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Solution

The fourth proportional to 38,751.72, 58,168.54 and 17,995.24 is: 27,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,751.72 : 58,168.54 = 17,995.24 : x
  2. Step 2: Convert to fraction form
    38,751.72/58,168.54 = 17,995.24/x
  3. Step 3: Cross multiply
    38,751.72x = 58,168.54 × 17,995.24
  4. Step 4: Simplify right side
    38,751.72x = 1,046,756,837.75
  5. Step 5: Solve for x
    x = 1,046,756,837.75/38,751.72
  6. Step 6: Final answer
    x = 27,011.88

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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.