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Finding the Fourth Proportional to 22,338.96, 33,510.06 and 7,542.96

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Solution

The fourth proportional to 22,338.96, 33,510.06 and 7,542.96 is: 11,314.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,338.96 : 33,510.06 = 7,542.96 : x
  2. Step 2: Convert to fraction form
    22,338.96/33,510.06 = 7,542.96/x
  3. Step 3: Cross multiply
    22,338.96x = 33,510.06 × 7,542.96
  4. Step 4: Simplify right side
    22,338.96x = 252,765,042.18
  5. Step 5: Solve for x
    x = 252,765,042.18/22,338.96
  6. Step 6: Final answer
    x = 11,314.99

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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.