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Finding the Fourth Proportional to 50,303.97, 69,420.78 and 27,643.59

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Solution

The fourth proportional to 50,303.97, 69,420.78 and 27,643.59 is: 38,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,303.97 : 69,420.78 = 27,643.59 : x
  2. Step 2: Convert to fraction form
    50,303.97/69,420.78 = 27,643.59/x
  3. Step 3: Cross multiply
    50,303.97x = 69,420.78 × 27,643.59
  4. Step 4: Simplify right side
    50,303.97x = 1,919,039,579.80
  5. Step 5: Solve for x
    x = 1,919,039,579.80/50,303.97
  6. Step 6: Final answer
    x = 38,148.87

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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.