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Finding the Fourth Proportional to 18,062.55, 27,094.23 and 8,200.98

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Solution

The fourth proportional to 18,062.55, 27,094.23 and 8,200.98 is: 12,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.55 : 27,094.23 = 8,200.98 : x
  2. Step 2: Convert to fraction form
    18,062.55/27,094.23 = 8,200.98/x
  3. Step 3: Cross multiply
    18,062.55x = 27,094.23 × 8,200.98
  4. Step 4: Simplify right side
    18,062.55x = 222,199,238.35
  5. Step 5: Solve for x
    x = 222,199,238.35/18,062.55
  6. Step 6: Final answer
    x = 12,301.65

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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.