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Finding the Fourth Proportional to 63,321.25, 94,981.97 and 21,768.25

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Solution

The fourth proportional to 63,321.25, 94,981.97 and 21,768.25 is: 32,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,321.25 : 94,981.97 = 21,768.25 : x
  2. Step 2: Convert to fraction form
    63,321.25/94,981.97 = 21,768.25/x
  3. Step 3: Cross multiply
    63,321.25x = 94,981.97 × 21,768.25
  4. Step 4: Simplify right side
    63,321.25x = 2,067,591,268.45
  5. Step 5: Solve for x
    x = 2,067,591,268.45/63,321.25
  6. Step 6: Final answer
    x = 32,652.41

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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.