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Finding the Fourth Proportional to 48,845.80, 73,106.70 and 35,480.80

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Solution

The fourth proportional to 48,845.80, 73,106.70 and 35,480.80 is: 53,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,845.80 : 73,106.70 = 35,480.80 : x
  2. Step 2: Convert to fraction form
    48,845.80/73,106.70 = 35,480.80/x
  3. Step 3: Cross multiply
    48,845.80x = 73,106.70 × 35,480.80
  4. Step 4: Simplify right side
    48,845.80x = 2,593,884,201.36
  5. Step 5: Solve for x
    x = 2,593,884,201.36/48,845.80
  6. Step 6: Final answer
    x = 53,103.53

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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.