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Finding the Fourth Proportional to 41,305.20, 61,914.48 and 20,216.16

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Solution

The fourth proportional to 41,305.20, 61,914.48 and 20,216.16 is: 30,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,305.20 : 61,914.48 = 20,216.16 : x
  2. Step 2: Convert to fraction form
    41,305.20/61,914.48 = 20,216.16/x
  3. Step 3: Cross multiply
    41,305.20x = 61,914.48 × 20,216.16
  4. Step 4: Simplify right side
    41,305.20x = 1,251,673,034.00
  5. Step 5: Solve for x
    x = 1,251,673,034.00/41,305.20
  6. Step 6: Final answer
    x = 30,303.04

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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.