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Finding the Fourth Proportional to 22,231.80, 33,347.70 and 22,013.10

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Solution

The fourth proportional to 22,231.80, 33,347.70 and 22,013.10 is: 33,019.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,231.80 : 33,347.70 = 22,013.10 : x
  2. Step 2: Convert to fraction form
    22,231.80/33,347.70 = 22,013.10/x
  3. Step 3: Cross multiply
    22,231.80x = 33,347.70 × 22,013.10
  4. Step 4: Simplify right side
    22,231.80x = 734,086,254.87
  5. Step 5: Solve for x
    x = 734,086,254.87/22,231.80
  6. Step 6: Final answer
    x = 33,019.65

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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.