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Finding the Fourth Proportional to 75,321.96, 113,001.18 and 22,728.24

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Solution

The fourth proportional to 75,321.96, 113,001.18 and 22,728.24 is: 34,097.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,321.96 : 113,001.18 = 22,728.24 : x
  2. Step 2: Convert to fraction form
    75,321.96/113,001.18 = 22,728.24/x
  3. Step 3: Cross multiply
    75,321.96x = 113,001.18 × 22,728.24
  4. Step 4: Simplify right side
    75,321.96x = 2,568,317,939.32
  5. Step 5: Solve for x
    x = 2,568,317,939.32/75,321.96
  6. Step 6: Final answer
    x = 34,097.86

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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.