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Finding the Fourth Proportional to 36,561.18, 54,841.59 and 8,859.18

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Solution

The fourth proportional to 36,561.18, 54,841.59 and 8,859.18 is: 13,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561.18 : 54,841.59 = 8,859.18 : x
  2. Step 2: Convert to fraction form
    36,561.18/54,841.59 = 8,859.18/x
  3. Step 3: Cross multiply
    36,561.18x = 54,841.59 × 8,859.18
  4. Step 4: Simplify right side
    36,561.18x = 485,851,517.30
  5. Step 5: Solve for x
    x = 485,851,517.30/36,561.18
  6. Step 6: Final answer
    x = 13,288.73

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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.