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Finding the Fourth Proportional to 8,793.84, 12,135.63 and 4,815.33

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Solution

The fourth proportional to 8,793.84, 12,135.63 and 4,815.33 is: 6,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.84 : 12,135.63 = 4,815.33 : x
  2. Step 2: Convert to fraction form
    8,793.84/12,135.63 = 4,815.33/x
  3. Step 3: Cross multiply
    8,793.84x = 12,135.63 × 4,815.33
  4. Step 4: Simplify right side
    8,793.84x = 58,437,063.21
  5. Step 5: Solve for x
    x = 58,437,063.21/8,793.84
  6. Step 6: Final answer
    x = 6,645.23

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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.