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Finding the Fourth Proportional to 22,305.78, 33,451.38 and 7,510.73

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Solution

The fourth proportional to 22,305.78, 33,451.38 and 7,510.73 is: 11,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,305.78 : 33,451.38 = 7,510.73 : x
  2. Step 2: Convert to fraction form
    22,305.78/33,451.38 = 7,510.73/x
  3. Step 3: Cross multiply
    22,305.78x = 33,451.38 × 7,510.73
  4. Step 4: Simplify right side
    22,305.78x = 251,244,116.05
  5. Step 5: Solve for x
    x = 251,244,116.05/22,305.78
  6. Step 6: Final answer
    x = 11,263.63

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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.