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Finding the Fourth Proportional to 61,924.46, 85,481.88 and 41,808.57

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Solution

The fourth proportional to 61,924.46, 85,481.88 and 41,808.57 is: 57,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,924.46 : 85,481.88 = 41,808.57 : x
  2. Step 2: Convert to fraction form
    61,924.46/85,481.88 = 41,808.57/x
  3. Step 3: Cross multiply
    61,924.46x = 85,481.88 × 41,808.57
  4. Step 4: Simplify right side
    61,924.46x = 3,573,875,163.71
  5. Step 5: Solve for x
    x = 3,573,875,163.71/61,924.46
  6. Step 6: Final answer
    x = 57,713.47

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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.