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Finding the Fourth Proportional to 68,591.34, 94,659.74 and 38,374.88

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Solution

The fourth proportional to 68,591.34, 94,659.74 and 38,374.88 is: 52,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,591.34 : 94,659.74 = 38,374.88 : x
  2. Step 2: Convert to fraction form
    68,591.34/94,659.74 = 38,374.88/x
  3. Step 3: Cross multiply
    68,591.34x = 94,659.74 × 38,374.88
  4. Step 4: Simplify right side
    68,591.34x = 3,632,556,163.33
  5. Step 5: Solve for x
    x = 3,632,556,163.33/68,591.34
  6. Step 6: Final answer
    x = 52,959.40

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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.