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Finding the Fourth Proportional to 10,884.12, 16,329.15 and 3,093

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Solution

The fourth proportional to 10,884.12, 16,329.15 and 3,093 is: 4,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.12 : 16,329.15 = 3,093 : x
  2. Step 2: Convert to fraction form
    10,884.12/16,329.15 = 3,093/x
  3. Step 3: Cross multiply
    10,884.12x = 16,329.15 × 3,093
  4. Step 4: Simplify right side
    10,884.12x = 50,506,060.95
  5. Step 5: Solve for x
    x = 50,506,060.95/10,884.12
  6. Step 6: Final answer
    x = 4,640.34

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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.