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Finding the Fourth Proportional to 18,167.88, 27,092.83 and 18,001.80

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Solution

The fourth proportional to 18,167.88, 27,092.83 and 18,001.80 is: 26,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.88 : 27,092.83 = 18,001.80 : x
  2. Step 2: Convert to fraction form
    18,167.88/27,092.83 = 18,001.80/x
  3. Step 3: Cross multiply
    18,167.88x = 27,092.83 × 18,001.80
  4. Step 4: Simplify right side
    18,167.88x = 487,719,707.09
  5. Step 5: Solve for x
    x = 487,719,707.09/18,167.88
  6. Step 6: Final answer
    x = 26,845.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.