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Finding the Fourth Proportional to 22,888.96, 34,340 and 11,205.60

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Solution

The fourth proportional to 22,888.96, 34,340 and 11,205.60 is: 16,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,888.96 : 34,340 = 11,205.60 : x
  2. Step 2: Convert to fraction form
    22,888.96/34,340 = 11,205.60/x
  3. Step 3: Cross multiply
    22,888.96x = 34,340 × 11,205.60
  4. Step 4: Simplify right side
    22,888.96x = 384,800,304
  5. Step 5: Solve for x
    x = 384,800,304/22,888.96
  6. Step 6: Final answer
    x = 16,811.61

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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.