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Finding the Fourth Proportional to 50,910.34, 76,264.02 and 39,764.86

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Solution

The fourth proportional to 50,910.34, 76,264.02 and 39,764.86 is: 59,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,910.34 : 76,264.02 = 39,764.86 : x
  2. Step 2: Convert to fraction form
    50,910.34/76,264.02 = 39,764.86/x
  3. Step 3: Cross multiply
    50,910.34x = 76,264.02 × 39,764.86
  4. Step 4: Simplify right side
    50,910.34x = 3,032,628,078.34
  5. Step 5: Solve for x
    x = 3,032,628,078.34/50,910.34
  6. Step 6: Final answer
    x = 59,568.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.