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Finding the Fourth Proportional to 73,962.91, 110,950.04 and 21,372.85

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Solution

The fourth proportional to 73,962.91, 110,950.04 and 21,372.85 is: 32,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,962.91 : 110,950.04 = 21,372.85 : x
  2. Step 2: Convert to fraction form
    73,962.91/110,950.04 = 21,372.85/x
  3. Step 3: Cross multiply
    73,962.91x = 110,950.04 × 21,372.85
  4. Step 4: Simplify right side
    73,962.91x = 2,371,318,562.41
  5. Step 5: Solve for x
    x = 2,371,318,562.41/73,962.91
  6. Step 6: Final answer
    x = 32,060.91

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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.