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Finding the Fourth Proportional to 27,910.60, 41,865.90 and 16,100.80

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Solution

The fourth proportional to 27,910.60, 41,865.90 and 16,100.80 is: 24,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.60 : 41,865.90 = 16,100.80 : x
  2. Step 2: Convert to fraction form
    27,910.60/41,865.90 = 16,100.80/x
  3. Step 3: Cross multiply
    27,910.60x = 41,865.90 × 16,100.80
  4. Step 4: Simplify right side
    27,910.60x = 674,074,482.72
  5. Step 5: Solve for x
    x = 674,074,482.72/27,910.60
  6. Step 6: Final answer
    x = 24,151.20

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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.