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Finding the Fourth Proportional to 22,658.48, 33,991.18 and 11,559.12

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Solution

The fourth proportional to 22,658.48, 33,991.18 and 11,559.12 is: 17,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,658.48 : 33,991.18 = 11,559.12 : x
  2. Step 2: Convert to fraction form
    22,658.48/33,991.18 = 11,559.12/x
  3. Step 3: Cross multiply
    22,658.48x = 33,991.18 × 11,559.12
  4. Step 4: Simplify right side
    22,658.48x = 392,907,958.61
  5. Step 5: Solve for x
    x = 392,907,958.61/22,658.48
  6. Step 6: Final answer
    x = 17,340.44

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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.