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Finding the Fourth Proportional to 38,773.60, 58,095.60 and 33,200.80

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Solution

The fourth proportional to 38,773.60, 58,095.60 and 33,200.80 is: 49,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,773.60 : 58,095.60 = 33,200.80 : x
  2. Step 2: Convert to fraction form
    38,773.60/58,095.60 = 33,200.80/x
  3. Step 3: Cross multiply
    38,773.60x = 58,095.60 × 33,200.80
  4. Step 4: Simplify right side
    38,773.60x = 1,928,820,396.48
  5. Step 5: Solve for x
    x = 1,928,820,396.48/38,773.60
  6. Step 6: Final answer
    x = 49,745.71

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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.