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Finding the Fourth Proportional to 61,305.88, 91,958.23 and 36,327.95

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Solution

The fourth proportional to 61,305.88, 91,958.23 and 36,327.95 is: 54,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,305.88 : 91,958.23 = 36,327.95 : x
  2. Step 2: Convert to fraction form
    61,305.88/91,958.23 = 36,327.95/x
  3. Step 3: Cross multiply
    61,305.88x = 91,958.23 × 36,327.95
  4. Step 4: Simplify right side
    61,305.88x = 3,340,653,981.53
  5. Step 5: Solve for x
    x = 3,340,653,981.53/61,305.88
  6. Step 6: Final answer
    x = 54,491.58

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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.