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Finding the Fourth Proportional to 41,764.96, 62,661.16 and 15,471.68

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Solution

The fourth proportional to 41,764.96, 62,661.16 and 15,471.68 is: 23,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,764.96 : 62,661.16 = 15,471.68 : x
  2. Step 2: Convert to fraction form
    41,764.96/62,661.16 = 15,471.68/x
  3. Step 3: Cross multiply
    41,764.96x = 62,661.16 × 15,471.68
  4. Step 4: Simplify right side
    41,764.96x = 969,473,415.95
  5. Step 5: Solve for x
    x = 969,473,415.95/41,764.96
  6. Step 6: Final answer
    x = 23,212.60

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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.