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Finding the Fourth Proportional to 49,905.91, 74,894.51 and 36,792.55

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Solution

The fourth proportional to 49,905.91, 74,894.51 and 36,792.55 is: 55,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,905.91 : 74,894.51 = 36,792.55 : x
  2. Step 2: Convert to fraction form
    49,905.91/74,894.51 = 36,792.55/x
  3. Step 3: Cross multiply
    49,905.91x = 74,894.51 × 36,792.55
  4. Step 4: Simplify right side
    49,905.91x = 2,755,560,003.90
  5. Step 5: Solve for x
    x = 2,755,560,003.90/49,905.91
  6. Step 6: Final answer
    x = 55,215.10

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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.