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Finding the Fourth Proportional to 62,993.79, 86,931.56 and 34,313.37

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Solution

The fourth proportional to 62,993.79, 86,931.56 and 34,313.37 is: 47,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,993.79 : 86,931.56 = 34,313.37 : x
  2. Step 2: Convert to fraction form
    62,993.79/86,931.56 = 34,313.37/x
  3. Step 3: Cross multiply
    62,993.79x = 86,931.56 × 34,313.37
  4. Step 4: Simplify right side
    62,993.79x = 2,982,914,611.39
  5. Step 5: Solve for x
    x = 2,982,914,611.39/62,993.79
  6. Step 6: Final answer
    x = 47,352.52

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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.