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Finding the Fourth Proportional to 50,149.64, 69,205.56 and 27,488

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Solution

The fourth proportional to 50,149.64, 69,205.56 and 27,488 is: 37,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,149.64 : 69,205.56 = 27,488 : x
  2. Step 2: Convert to fraction form
    50,149.64/69,205.56 = 27,488/x
  3. Step 3: Cross multiply
    50,149.64x = 69,205.56 × 27,488
  4. Step 4: Simplify right side
    50,149.64x = 1,902,322,433.28
  5. Step 5: Solve for x
    x = 1,902,322,433.28/50,149.64
  6. Step 6: Final answer
    x = 37,932.92

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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.