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Finding the Fourth Proportional to 22,216.92, 33,308.92 and 13,449.84

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Solution

The fourth proportional to 22,216.92, 33,308.92 and 13,449.84 is: 20,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,216.92 : 33,308.92 = 13,449.84 : x
  2. Step 2: Convert to fraction form
    22,216.92/33,308.92 = 13,449.84/x
  3. Step 3: Cross multiply
    22,216.92x = 33,308.92 × 13,449.84
  4. Step 4: Simplify right side
    22,216.92x = 447,999,644.57
  5. Step 5: Solve for x
    x = 447,999,644.57/22,216.92
  6. Step 6: Final answer
    x = 20,164.80

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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.