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Finding the Fourth Proportional to 36,938.96, 55,408.56 and 9,236.96

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Solution

The fourth proportional to 36,938.96, 55,408.56 and 9,236.96 is: 13,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,938.96 : 55,408.56 = 9,236.96 : x
  2. Step 2: Convert to fraction form
    36,938.96/55,408.56 = 9,236.96/x
  3. Step 3: Cross multiply
    36,938.96x = 55,408.56 × 9,236.96
  4. Step 4: Simplify right side
    36,938.96x = 511,806,652.38
  5. Step 5: Solve for x
    x = 511,806,652.38/36,938.96
  6. Step 6: Final answer
    x = 13,855.47

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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.