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Finding the Fourth Proportional to 50,797.82, 76,203.87 and 21,208.92

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Solution

The fourth proportional to 50,797.82, 76,203.87 and 21,208.92 is: 31,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,797.82 : 76,203.87 = 21,208.92 : x
  2. Step 2: Convert to fraction form
    50,797.82/76,203.87 = 21,208.92/x
  3. Step 3: Cross multiply
    50,797.82x = 76,203.87 × 21,208.92
  4. Step 4: Simplify right side
    50,797.82x = 1,616,201,782.52
  5. Step 5: Solve for x
    x = 1,616,201,782.52/50,797.82
  6. Step 6: Final answer
    x = 31,816.36

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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.