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Finding the Fourth Proportional to 36,270.96, 54,408.96 and 9,972.96

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Solution

The fourth proportional to 36,270.96, 54,408.96 and 9,972.96 is: 14,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,270.96 : 54,408.96 = 9,972.96 : x
  2. Step 2: Convert to fraction form
    36,270.96/54,408.96 = 9,972.96/x
  3. Step 3: Cross multiply
    36,270.96x = 54,408.96 × 9,972.96
  4. Step 4: Simplify right side
    36,270.96x = 542,618,381.72
  5. Step 5: Solve for x
    x = 542,618,381.72/36,270.96
  6. Step 6: Final answer
    x = 14,960.13

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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.