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Finding the Fourth Proportional to 8,914.94, 13,372.37 and 3,652.39

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Solution

The fourth proportional to 8,914.94, 13,372.37 and 3,652.39 is: 5,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.94 : 13,372.37 = 3,652.39 : x
  2. Step 2: Convert to fraction form
    8,914.94/13,372.37 = 3,652.39/x
  3. Step 3: Cross multiply
    8,914.94x = 13,372.37 × 3,652.39
  4. Step 4: Simplify right side
    8,914.94x = 48,841,110.46
  5. Step 5: Solve for x
    x = 48,841,110.46/8,914.94
  6. Step 6: Final answer
    x = 5,478.57

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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.