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Finding the Fourth Proportional to 18,027.42, 27,041.13 and 6,337.92

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Solution

The fourth proportional to 18,027.42, 27,041.13 and 6,337.92 is: 9,506.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.42 : 27,041.13 = 6,337.92 : x
  2. Step 2: Convert to fraction form
    18,027.42/27,041.13 = 6,337.92/x
  3. Step 3: Cross multiply
    18,027.42x = 27,041.13 × 6,337.92
  4. Step 4: Simplify right side
    18,027.42x = 171,384,518.65
  5. Step 5: Solve for x
    x = 171,384,518.65/18,027.42
  6. Step 6: Final answer
    x = 9,506.88

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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.