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Finding the Fourth Proportional to 22,000.77, 32,994.50 and 18,491.85

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Solution

The fourth proportional to 22,000.77, 32,994.50 and 18,491.85 is: 27,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.77 : 32,994.50 = 18,491.85 : x
  2. Step 2: Convert to fraction form
    22,000.77/32,994.50 = 18,491.85/x
  3. Step 3: Cross multiply
    22,000.77x = 32,994.50 × 18,491.85
  4. Step 4: Simplify right side
    22,000.77x = 610,129,252.37
  5. Step 5: Solve for x
    x = 610,129,252.37/22,000.77
  6. Step 6: Final answer
    x = 27,732.18

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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.