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Finding the Fourth Proportional to 22,506.60, 33,695.10 and 20,173.80

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Solution

The fourth proportional to 22,506.60, 33,695.10 and 20,173.80 is: 30,202.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,506.60 : 33,695.10 = 20,173.80 : x
  2. Step 2: Convert to fraction form
    22,506.60/33,695.10 = 20,173.80/x
  3. Step 3: Cross multiply
    22,506.60x = 33,695.10 × 20,173.80
  4. Step 4: Simplify right side
    22,506.60x = 679,758,208.38
  5. Step 5: Solve for x
    x = 679,758,208.38/22,506.60
  6. Step 6: Final answer
    x = 30,202.62

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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.