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Finding the Fourth Proportional to 44,745.68, 67,131.84 and 18,452

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Solution

The fourth proportional to 44,745.68, 67,131.84 and 18,452 is: 27,683.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,745.68 : 67,131.84 = 18,452 : x
  2. Step 2: Convert to fraction form
    44,745.68/67,131.84 = 18,452/x
  3. Step 3: Cross multiply
    44,745.68x = 67,131.84 × 18,452
  4. Step 4: Simplify right side
    44,745.68x = 1,238,716,711.68
  5. Step 5: Solve for x
    x = 1,238,716,711.68/44,745.68
  6. Step 6: Final answer
    x = 27,683.49

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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.