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Finding the Fourth Proportional to 36,176.80, 54,265.20 and 25,679.20

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Solution

The fourth proportional to 36,176.80, 54,265.20 and 25,679.20 is: 38,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,176.80 : 54,265.20 = 25,679.20 : x
  2. Step 2: Convert to fraction form
    36,176.80/54,265.20 = 25,679.20/x
  3. Step 3: Cross multiply
    36,176.80x = 54,265.20 × 25,679.20
  4. Step 4: Simplify right side
    36,176.80x = 1,393,486,923.84
  5. Step 5: Solve for x
    x = 1,393,486,923.84/36,176.80
  6. Step 6: Final answer
    x = 38,518.80

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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.