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Finding the Fourth Proportional to 18,175.92, 27,264.48 and 4,848.78

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Solution

The fourth proportional to 18,175.92, 27,264.48 and 4,848.78 is: 7,273.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.92 : 27,264.48 = 4,848.78 : x
  2. Step 2: Convert to fraction form
    18,175.92/27,264.48 = 4,848.78/x
  3. Step 3: Cross multiply
    18,175.92x = 27,264.48 × 4,848.78
  4. Step 4: Simplify right side
    18,175.92x = 132,199,465.33
  5. Step 5: Solve for x
    x = 132,199,465.33/18,175.92
  6. Step 6: Final answer
    x = 7,273.33

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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.