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Finding the Fourth Proportional to 44,859.18, 67,286.34 and 13,692

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Solution

The fourth proportional to 44,859.18, 67,286.34 and 13,692 is: 20,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,859.18 : 67,286.34 = 13,692 : x
  2. Step 2: Convert to fraction form
    44,859.18/67,286.34 = 13,692/x
  3. Step 3: Cross multiply
    44,859.18x = 67,286.34 × 13,692
  4. Step 4: Simplify right side
    44,859.18x = 921,284,567.28
  5. Step 5: Solve for x
    x = 921,284,567.28/44,859.18
  6. Step 6: Final answer
    x = 20,537.26

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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.