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Finding the Fourth Proportional to 68,497.75, 94,530.50 and 41,635.90

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Solution

The fourth proportional to 68,497.75, 94,530.50 and 41,635.90 is: 57,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,497.75 : 94,530.50 = 41,635.90 : x
  2. Step 2: Convert to fraction form
    68,497.75/94,530.50 = 41,635.90/x
  3. Step 3: Cross multiply
    68,497.75x = 94,530.50 × 41,635.90
  4. Step 4: Simplify right side
    68,497.75x = 3,935,862,444.95
  5. Step 5: Solve for x
    x = 3,935,862,444.95/68,497.75
  6. Step 6: Final answer
    x = 57,459.73

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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.