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Finding the Fourth Proportional to 22,359.60, 33,474.60 and 20,026.80

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Solution

The fourth proportional to 22,359.60, 33,474.60 and 20,026.80 is: 29,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359.60 : 33,474.60 = 20,026.80 : x
  2. Step 2: Convert to fraction form
    22,359.60/33,474.60 = 20,026.80/x
  3. Step 3: Cross multiply
    22,359.60x = 33,474.60 × 20,026.80
  4. Step 4: Simplify right side
    22,359.60x = 670,389,119.28
  5. Step 5: Solve for x
    x = 670,389,119.28/22,359.60
  6. Step 6: Final answer
    x = 29,982.16

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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.