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Finding the Fourth Proportional to 22,338.66, 33,484.50 and 7,542.42

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Solution

The fourth proportional to 22,338.66, 33,484.50 and 7,542.42 is: 11,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,338.66 : 33,484.50 = 7,542.42 : x
  2. Step 2: Convert to fraction form
    22,338.66/33,484.50 = 7,542.42/x
  3. Step 3: Cross multiply
    22,338.66x = 33,484.50 × 7,542.42
  4. Step 4: Simplify right side
    22,338.66x = 252,554,162.49
  5. Step 5: Solve for x
    x = 252,554,162.49/22,338.66
  6. Step 6: Final answer
    x = 11,305.70

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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.