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Finding the Fourth Proportional to 18,169.44, 25,074.72 and 11,094.72

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Solution

The fourth proportional to 18,169.44, 25,074.72 and 11,094.72 is: 15,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.44 : 25,074.72 = 11,094.72 : x
  2. Step 2: Convert to fraction form
    18,169.44/25,074.72 = 11,094.72/x
  3. Step 3: Cross multiply
    18,169.44x = 25,074.72 × 11,094.72
  4. Step 4: Simplify right side
    18,169.44x = 278,196,997.48
  5. Step 5: Solve for x
    x = 278,196,997.48/18,169.44
  6. Step 6: Final answer
    x = 15,311.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.