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Finding the Fourth Proportional to 22,443.80, 33,665.70 and 20,024.60

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Solution

The fourth proportional to 22,443.80, 33,665.70 and 20,024.60 is: 30,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,443.80 : 33,665.70 = 20,024.60 : x
  2. Step 2: Convert to fraction form
    22,443.80/33,665.70 = 20,024.60/x
  3. Step 3: Cross multiply
    22,443.80x = 33,665.70 × 20,024.60
  4. Step 4: Simplify right side
    22,443.80x = 674,142,176.22
  5. Step 5: Solve for x
    x = 674,142,176.22/22,443.80
  6. Step 6: Final answer
    x = 30,036.90

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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.