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Finding the Fourth Proportional to 18,071.10, 27,092.75 and 9,179.12

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Solution

The fourth proportional to 18,071.10, 27,092.75 and 9,179.12 is: 13,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071.10 : 27,092.75 = 9,179.12 : x
  2. Step 2: Convert to fraction form
    18,071.10/27,092.75 = 9,179.12/x
  3. Step 3: Cross multiply
    18,071.10x = 27,092.75 × 9,179.12
  4. Step 4: Simplify right side
    18,071.10x = 248,687,702.67
  5. Step 5: Solve for x
    x = 248,687,702.67/18,071.10
  6. Step 6: Final answer
    x = 13,761.63

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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.