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Finding the Fourth Proportional to 27,321.80, 40,982.70 and 24,902.60

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Solution

The fourth proportional to 27,321.80, 40,982.70 and 24,902.60 is: 37,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,321.80 : 40,982.70 = 24,902.60 : x
  2. Step 2: Convert to fraction form
    27,321.80/40,982.70 = 24,902.60/x
  3. Step 3: Cross multiply
    27,321.80x = 40,982.70 × 24,902.60
  4. Step 4: Simplify right side
    27,321.80x = 1,020,575,785.02
  5. Step 5: Solve for x
    x = 1,020,575,785.02/27,321.80
  6. Step 6: Final answer
    x = 37,353.90

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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.