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Finding the Fourth Proportional to 50,309.56, 69,425.78 and 27,648.54

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Solution

The fourth proportional to 50,309.56, 69,425.78 and 27,648.54 is: 38,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,309.56 : 69,425.78 = 27,648.54 : x
  2. Step 2: Convert to fraction form
    50,309.56/69,425.78 = 27,648.54/x
  3. Step 3: Cross multiply
    50,309.56x = 69,425.78 × 27,648.54
  4. Step 4: Simplify right side
    50,309.56x = 1,919,521,550.40
  5. Step 5: Solve for x
    x = 1,919,521,550.40/50,309.56
  6. Step 6: Final answer
    x = 38,154.21

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1.5x scale

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.