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Finding the Fourth Proportional to 22,859.10, 34,272.45 and 8,813.70

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Solution

The fourth proportional to 22,859.10, 34,272.45 and 8,813.70 is: 13,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,859.10 : 34,272.45 = 8,813.70 : x
  2. Step 2: Convert to fraction form
    22,859.10/34,272.45 = 8,813.70/x
  3. Step 3: Cross multiply
    22,859.10x = 34,272.45 × 8,813.70
  4. Step 4: Simplify right side
    22,859.10x = 302,067,092.57
  5. Step 5: Solve for x
    x = 302,067,092.57/22,859.10
  6. Step 6: Final answer
    x = 13,214.30

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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.