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Finding the Fourth Proportional to 8,914.82, 13,372.38 and 3,370.77

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Solution

The fourth proportional to 8,914.82, 13,372.38 and 3,370.77 is: 5,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.82 : 13,372.38 = 3,370.77 : x
  2. Step 2: Convert to fraction form
    8,914.82/13,372.38 = 3,370.77/x
  3. Step 3: Cross multiply
    8,914.82x = 13,372.38 × 3,370.77
  4. Step 4: Simplify right side
    8,914.82x = 45,075,217.33
  5. Step 5: Solve for x
    x = 45,075,217.33/8,914.82
  6. Step 6: Final answer
    x = 5,056.21

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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.