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Finding the Fourth Proportional to 18,047.40, 27,073.25 and 7,524.55

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Solution

The fourth proportional to 18,047.40, 27,073.25 and 7,524.55 is: 11,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.40 : 27,073.25 = 7,524.55 : x
  2. Step 2: Convert to fraction form
    18,047.40/27,073.25 = 7,524.55/x
  3. Step 3: Cross multiply
    18,047.40x = 27,073.25 × 7,524.55
  4. Step 4: Simplify right side
    18,047.40x = 203,714,023.29
  5. Step 5: Solve for x
    x = 203,714,023.29/18,047.40
  6. Step 6: Final answer
    x = 11,287.72

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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.