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Finding the Fourth Proportional to 18,058.68, 27,083.03 and 8,704.80

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Solution

The fourth proportional to 18,058.68, 27,083.03 and 8,704.80 is: 13,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.68 : 27,083.03 = 8,704.80 : x
  2. Step 2: Convert to fraction form
    18,058.68/27,083.03 = 8,704.80/x
  3. Step 3: Cross multiply
    18,058.68x = 27,083.03 × 8,704.80
  4. Step 4: Simplify right side
    18,058.68x = 235,752,316.02
  5. Step 5: Solve for x
    x = 235,752,316.02/18,058.68
  6. Step 6: Final answer
    x = 13,054.79

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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.