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Finding the Fourth Proportional to 53,522.60, 80,259.60 and 20,231.60

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Solution

The fourth proportional to 53,522.60, 80,259.60 and 20,231.60 is: 30,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,522.60 : 80,259.60 = 20,231.60 : x
  2. Step 2: Convert to fraction form
    53,522.60/80,259.60 = 20,231.60/x
  3. Step 3: Cross multiply
    53,522.60x = 80,259.60 × 20,231.60
  4. Step 4: Simplify right side
    53,522.60x = 1,623,780,123.36
  5. Step 5: Solve for x
    x = 1,623,780,123.36/53,522.60
  6. Step 6: Final answer
    x = 30,338.21

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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.