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Finding the Fourth Proportional to 49,480.76, 68,373.86 and 36,028.58

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Solution

The fourth proportional to 49,480.76, 68,373.86 and 36,028.58 is: 49,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,480.76 : 68,373.86 = 36,028.58 : x
  2. Step 2: Convert to fraction form
    49,480.76/68,373.86 = 36,028.58/x
  3. Step 3: Cross multiply
    49,480.76x = 68,373.86 × 36,028.58
  4. Step 4: Simplify right side
    49,480.76x = 2,463,413,084.92
  5. Step 5: Solve for x
    x = 2,463,413,084.92/49,480.76
  6. Step 6: Final answer
    x = 49,785.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.