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Finding the Fourth Proportional to 50,765.70, 76,160.70 and 25,809.60

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Solution

The fourth proportional to 50,765.70, 76,160.70 and 25,809.60 is: 38,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,765.70 : 76,160.70 = 25,809.60 : x
  2. Step 2: Convert to fraction form
    50,765.70/76,160.70 = 25,809.60/x
  3. Step 3: Cross multiply
    50,765.70x = 76,160.70 × 25,809.60
  4. Step 4: Simplify right side
    50,765.70x = 1,965,677,202.72
  5. Step 5: Solve for x
    x = 1,965,677,202.72/50,765.70
  6. Step 6: Final answer
    x = 38,720.58

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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.