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Finding the Fourth Proportional to 50,606.80, 75,910.20 and 49,829.20

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Solution

The fourth proportional to 50,606.80, 75,910.20 and 49,829.20 is: 74,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,606.80 : 75,910.20 = 49,829.20 : x
  2. Step 2: Convert to fraction form
    50,606.80/75,910.20 = 49,829.20/x
  3. Step 3: Cross multiply
    50,606.80x = 75,910.20 × 49,829.20
  4. Step 4: Simplify right side
    50,606.80x = 3,782,544,537.84
  5. Step 5: Solve for x
    x = 3,782,544,537.84/50,606.80
  6. Step 6: Final answer
    x = 74,743.80

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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.