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Finding the Fourth Proportional to 22,081.52, 33,119.03 and 7,290.92

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Solution

The fourth proportional to 22,081.52, 33,119.03 and 7,290.92 is: 10,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.52 : 33,119.03 = 7,290.92 : x
  2. Step 2: Convert to fraction form
    22,081.52/33,119.03 = 7,290.92/x
  3. Step 3: Cross multiply
    22,081.52x = 33,119.03 × 7,290.92
  4. Step 4: Simplify right side
    22,081.52x = 241,467,996.16
  5. Step 5: Solve for x
    x = 241,467,996.16/22,081.52
  6. Step 6: Final answer
    x = 10,935.30

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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.