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Finding the Fourth Proportional to 36,333.78, 54,500.70 and 12,954.78

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Solution

The fourth proportional to 36,333.78, 54,500.70 and 12,954.78 is: 19,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,333.78 : 54,500.70 = 12,954.78 : x
  2. Step 2: Convert to fraction form
    36,333.78/54,500.70 = 12,954.78/x
  3. Step 3: Cross multiply
    36,333.78x = 54,500.70 × 12,954.78
  4. Step 4: Simplify right side
    36,333.78x = 706,044,578.35
  5. Step 5: Solve for x
    x = 706,044,578.35/36,333.78
  6. Step 6: Final answer
    x = 19,432.18

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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.