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Finding the Fourth Proportional to 41,080.40, 61,620.40 and 16,102.80

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Solution

The fourth proportional to 41,080.40, 61,620.40 and 16,102.80 is: 24,154.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,080.40 : 61,620.40 = 16,102.80 : x
  2. Step 2: Convert to fraction form
    41,080.40/61,620.40 = 16,102.80/x
  3. Step 3: Cross multiply
    41,080.40x = 61,620.40 × 16,102.80
  4. Step 4: Simplify right side
    41,080.40x = 992,260,977.12
  5. Step 5: Solve for x
    x = 992,260,977.12/41,080.40
  6. Step 6: Final answer
    x = 24,154.12

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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.