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Finding the Fourth Proportional to 36,304.89, 54,408.89 and 19,403.25

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Solution

The fourth proportional to 36,304.89, 54,408.89 and 19,403.25 is: 29,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,304.89 : 54,408.89 = 19,403.25 : x
  2. Step 2: Convert to fraction form
    36,304.89/54,408.89 = 19,403.25/x
  3. Step 3: Cross multiply
    36,304.89x = 54,408.89 × 19,403.25
  4. Step 4: Simplify right side
    36,304.89x = 1,055,709,197.88
  5. Step 5: Solve for x
    x = 1,055,709,197.88/36,304.89
  6. Step 6: Final answer
    x = 29,078.98

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1.5x scale

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.