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Finding the Fourth Proportional to 63,992.75, 88,268.87 and 38,842.25

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Solution

The fourth proportional to 63,992.75, 88,268.87 and 38,842.25 is: 53,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,992.75 : 88,268.87 = 38,842.25 : x
  2. Step 2: Convert to fraction form
    63,992.75/88,268.87 = 38,842.25/x
  3. Step 3: Cross multiply
    63,992.75x = 88,268.87 × 38,842.25
  4. Step 4: Simplify right side
    63,992.75x = 3,428,561,171.52
  5. Step 5: Solve for x
    x = 3,428,561,171.52/63,992.75
  6. Step 6: Final answer
    x = 53,577.34

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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.