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Finding the Fourth Proportional to 18,170.88, 27,250.56 and 5,856

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Solution

The fourth proportional to 18,170.88, 27,250.56 and 5,856 is: 8,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.88 : 27,250.56 = 5,856 : x
  2. Step 2: Convert to fraction form
    18,170.88/27,250.56 = 5,856/x
  3. Step 3: Cross multiply
    18,170.88x = 27,250.56 × 5,856
  4. Step 4: Simplify right side
    18,170.88x = 159,579,279.36
  5. Step 5: Solve for x
    x = 159,579,279.36/18,170.88
  6. Step 6: Final answer
    x = 8,782.14

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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.