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Finding the Fourth Proportional to 50,745.54, 70,027.41 and 28,085.47

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Solution

The fourth proportional to 50,745.54, 70,027.41 and 28,085.47 is: 38,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,745.54 : 70,027.41 = 28,085.47 : x
  2. Step 2: Convert to fraction form
    50,745.54/70,027.41 = 28,085.47/x
  3. Step 3: Cross multiply
    50,745.54x = 70,027.41 × 28,085.47
  4. Step 4: Simplify right side
    50,745.54x = 1,966,752,722.73
  5. Step 5: Solve for x
    x = 1,966,752,722.73/50,745.54
  6. Step 6: Final answer
    x = 38,757.15

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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.