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Finding the Fourth Proportional to 9,394.87, 14,093.93 and 3,155.49

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Solution

The fourth proportional to 9,394.87, 14,093.93 and 3,155.49 is: 4,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.87 : 14,093.93 = 3,155.49 : x
  2. Step 2: Convert to fraction form
    9,394.87/14,093.93 = 3,155.49/x
  3. Step 3: Cross multiply
    9,394.87x = 14,093.93 × 3,155.49
  4. Step 4: Simplify right side
    9,394.87x = 44,473,255.18
  5. Step 5: Solve for x
    x = 44,473,255.18/9,394.87
  6. Step 6: Final answer
    x = 4,733.78

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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.