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Finding the Fourth Proportional to 22,363.88, 30,868.63 and 14,911.88

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Solution

The fourth proportional to 22,363.88, 30,868.63 and 14,911.88 is: 20,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,363.88 : 30,868.63 = 14,911.88 : x
  2. Step 2: Convert to fraction form
    22,363.88/30,868.63 = 14,911.88/x
  3. Step 3: Cross multiply
    22,363.88x = 30,868.63 × 14,911.88
  4. Step 4: Simplify right side
    22,363.88x = 460,309,114.70
  5. Step 5: Solve for x
    x = 460,309,114.70/22,363.88
  6. Step 6: Final answer
    x = 20,582.71

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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.