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Finding the Fourth Proportional to 22,641.01, 33,961.38 and 12,318.37

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Solution

The fourth proportional to 22,641.01, 33,961.38 and 12,318.37 is: 18,477.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,641.01 : 33,961.38 = 12,318.37 : x
  2. Step 2: Convert to fraction form
    22,641.01/33,961.38 = 12,318.37/x
  3. Step 3: Cross multiply
    22,641.01x = 33,961.38 × 12,318.37
  4. Step 4: Simplify right side
    22,641.01x = 418,348,844.55
  5. Step 5: Solve for x
    x = 418,348,844.55/22,641.01
  6. Step 6: Final answer
    x = 18,477.48

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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.