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Finding the Fourth Proportional to 22,040.79, 33,057.54 and 7,249.89

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Solution

The fourth proportional to 22,040.79, 33,057.54 and 7,249.89 is: 10,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.79 : 33,057.54 = 7,249.89 : x
  2. Step 2: Convert to fraction form
    22,040.79/33,057.54 = 7,249.89/x
  3. Step 3: Cross multiply
    22,040.79x = 33,057.54 × 7,249.89
  4. Step 4: Simplify right side
    22,040.79x = 239,663,528.67
  5. Step 5: Solve for x
    x = 239,663,528.67/22,040.79
  6. Step 6: Final answer
    x = 10,873.64

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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.