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Finding the Fourth Proportional to 63,993.75, 88,270.25 and 38,843.25

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Solution

The fourth proportional to 63,993.75, 88,270.25 and 38,843.25 is: 53,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,993.75 : 88,270.25 = 38,843.25 : x
  2. Step 2: Convert to fraction form
    63,993.75/88,270.25 = 38,843.25/x
  3. Step 3: Cross multiply
    63,993.75x = 88,270.25 × 38,843.25
  4. Step 4: Simplify right side
    63,993.75x = 3,428,703,388.31
  5. Step 5: Solve for x
    x = 3,428,703,388.31/63,993.75
  6. Step 6: Final answer
    x = 53,578.72

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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.