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Finding the Fourth Proportional to 62,474.58, 86,162.58 and 39,814.56

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Solution

The fourth proportional to 62,474.58, 86,162.58 and 39,814.56 is: 54,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,474.58 : 86,162.58 = 39,814.56 : x
  2. Step 2: Convert to fraction form
    62,474.58/86,162.58 = 39,814.56/x
  3. Step 3: Cross multiply
    62,474.58x = 86,162.58 × 39,814.56
  4. Step 4: Simplify right side
    62,474.58x = 3,430,525,211.16
  5. Step 5: Solve for x
    x = 3,430,525,211.16/62,474.58
  6. Step 6: Final answer
    x = 54,910.74

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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.