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Finding the Fourth Proportional to 62,811.04, 86,679.60 and 34,516.96

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Solution

The fourth proportional to 62,811.04, 86,679.60 and 34,516.96 is: 47,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,811.04 : 86,679.60 = 34,516.96 : x
  2. Step 2: Convert to fraction form
    62,811.04/86,679.60 = 34,516.96/x
  3. Step 3: Cross multiply
    62,811.04x = 86,679.60 × 34,516.96
  4. Step 4: Simplify right side
    62,811.04x = 2,991,916,286.02
  5. Step 5: Solve for x
    x = 2,991,916,286.02/62,811.04
  6. Step 6: Final answer
    x = 47,633.61

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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.