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Finding the Fourth Proportional to 22,006.15, 30,367.91 and 12,574.71

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Solution

The fourth proportional to 22,006.15, 30,367.91 and 12,574.71 is: 17,352.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.15 : 30,367.91 = 12,574.71 : x
  2. Step 2: Convert to fraction form
    22,006.15/30,367.91 = 12,574.71/x
  3. Step 3: Cross multiply
    22,006.15x = 30,367.91 × 12,574.71
  4. Step 4: Simplify right side
    22,006.15x = 381,867,692.99
  5. Step 5: Solve for x
    x = 381,867,692.99/22,006.15
  6. Step 6: Final answer
    x = 17,352.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.