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Finding the Fourth Proportional to 22,663.89, 33,966.27 and 11,561.22

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Solution

The fourth proportional to 22,663.89, 33,966.27 and 11,561.22 is: 17,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.89 : 33,966.27 = 11,561.22 : x
  2. Step 2: Convert to fraction form
    22,663.89/33,966.27 = 11,561.22/x
  3. Step 3: Cross multiply
    22,663.89x = 33,966.27 × 11,561.22
  4. Step 4: Simplify right side
    22,663.89x = 392,691,520.05
  5. Step 5: Solve for x
    x = 392,691,520.05/22,663.89
  6. Step 6: Final answer
    x = 17,326.75

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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.