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Finding the Fourth Proportional to 62,993.01, 86,930.48 and 34,312.59

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Solution

The fourth proportional to 62,993.01, 86,930.48 and 34,312.59 is: 47,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,993.01 : 86,930.48 = 34,312.59 : x
  2. Step 2: Convert to fraction form
    62,993.01/86,930.48 = 34,312.59/x
  3. Step 3: Cross multiply
    62,993.01x = 86,930.48 × 34,312.59
  4. Step 4: Simplify right side
    62,993.01x = 2,982,809,312.53
  5. Step 5: Solve for x
    x = 2,982,809,312.53/62,993.01
  6. Step 6: Final answer
    x = 47,351.43

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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.