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Finding the Fourth Proportional to 50,275.58, 69,380.44 and 27,919.58

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Solution

The fourth proportional to 50,275.58, 69,380.44 and 27,919.58 is: 38,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,275.58 : 69,380.44 = 27,919.58 : x
  2. Step 2: Convert to fraction form
    50,275.58/69,380.44 = 27,919.58/x
  3. Step 3: Cross multiply
    50,275.58x = 69,380.44 × 27,919.58
  4. Step 4: Simplify right side
    50,275.58x = 1,937,072,745.02
  5. Step 5: Solve for x
    x = 1,937,072,745.02/50,275.58
  6. Step 6: Final answer
    x = 38,529.10

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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.