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Finding the Fourth Proportional to 50,534.12, 75,866.78 and 38,855.54

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Solution

The fourth proportional to 50,534.12, 75,866.78 and 38,855.54 is: 58,333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,534.12 : 75,866.78 = 38,855.54 : x
  2. Step 2: Convert to fraction form
    50,534.12/75,866.78 = 38,855.54/x
  3. Step 3: Cross multiply
    50,534.12x = 75,866.78 × 38,855.54
  4. Step 4: Simplify right side
    50,534.12x = 2,947,844,422.77
  5. Step 5: Solve for x
    x = 2,947,844,422.77/50,534.12
  6. Step 6: Final answer
    x = 58,333.75

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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.