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Finding the Fourth Proportional to 18,173.93, 27,253.87 and 7,079.22

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Solution

The fourth proportional to 18,173.93, 27,253.87 and 7,079.22 is: 10,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.93 : 27,253.87 = 7,079.22 : x
  2. Step 2: Convert to fraction form
    18,173.93/27,253.87 = 7,079.22/x
  3. Step 3: Cross multiply
    18,173.93x = 27,253.87 × 7,079.22
  4. Step 4: Simplify right side
    18,173.93x = 192,936,123.88
  5. Step 5: Solve for x
    x = 192,936,123.88/18,173.93
  6. Step 6: Final answer
    x = 10,616.10

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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.