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Finding the Fourth Proportional to 22,073.96, 33,098.24 and 7,278.86

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Solution

The fourth proportional to 22,073.96, 33,098.24 and 7,278.86 is: 10,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,073.96 : 33,098.24 = 7,278.86 : x
  2. Step 2: Convert to fraction form
    22,073.96/33,098.24 = 7,278.86/x
  3. Step 3: Cross multiply
    22,073.96x = 33,098.24 × 7,278.86
  4. Step 4: Simplify right side
    22,073.96x = 240,917,455.21
  5. Step 5: Solve for x
    x = 240,917,455.21/22,073.96
  6. Step 6: Final answer
    x = 10,914.10

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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.