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Finding the Fourth Proportional to 22,031.48, 33,040.22 and 7,236.97

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Solution

The fourth proportional to 22,031.48, 33,040.22 and 7,236.97 is: 10,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.48 : 33,040.22 = 7,236.97 : x
  2. Step 2: Convert to fraction form
    22,031.48/33,040.22 = 7,236.97/x
  3. Step 3: Cross multiply
    22,031.48x = 33,040.22 × 7,236.97
  4. Step 4: Simplify right side
    22,031.48x = 239,110,962.15
  5. Step 5: Solve for x
    x = 239,110,962.15/22,031.48
  6. Step 6: Final answer
    x = 10,853.15

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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.