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Finding the Fourth Proportional to 59,268.48, 81,765.84 and 38,844.96

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Solution

The fourth proportional to 59,268.48, 81,765.84 and 38,844.96 is: 53,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,268.48 : 81,765.84 = 38,844.96 : x
  2. Step 2: Convert to fraction form
    59,268.48/81,765.84 = 38,844.96/x
  3. Step 3: Cross multiply
    59,268.48x = 81,765.84 × 38,844.96
  4. Step 4: Simplify right side
    59,268.48x = 3,176,190,784.17
  5. Step 5: Solve for x
    x = 3,176,190,784.17/59,268.48
  6. Step 6: Final answer
    x = 53,589.88

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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.