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Finding the Fourth Proportional to 22,020.99, 33,023.02 and 7,976.88

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Solution

The fourth proportional to 22,020.99, 33,023.02 and 7,976.88 is: 11,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020.99 : 33,023.02 = 7,976.88 : x
  2. Step 2: Convert to fraction form
    22,020.99/33,023.02 = 7,976.88/x
  3. Step 3: Cross multiply
    22,020.99x = 33,023.02 × 7,976.88
  4. Step 4: Simplify right side
    22,020.99x = 263,420,667.78
  5. Step 5: Solve for x
    x = 263,420,667.78/22,020.99
  6. Step 6: Final answer
    x = 11,962.25

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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.