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Finding the Fourth Proportional to 50,276.94, 69,380.91 and 27,919.50

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Solution

The fourth proportional to 50,276.94, 69,380.91 and 27,919.50 is: 38,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,276.94 : 69,380.91 = 27,919.50 : x
  2. Step 2: Convert to fraction form
    50,276.94/69,380.91 = 27,919.50/x
  3. Step 3: Cross multiply
    50,276.94x = 69,380.91 × 27,919.50
  4. Step 4: Simplify right side
    50,276.94x = 1,937,080,316.75
  5. Step 5: Solve for x
    x = 1,937,080,316.75/50,276.94
  6. Step 6: Final answer
    x = 38,528.21

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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.