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Finding the Fourth Proportional to 62,605.92, 93,970.37 and 45,918.44

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Solution

The fourth proportional to 62,605.92, 93,970.37 and 45,918.44 is: 68,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,605.92 : 93,970.37 = 45,918.44 : x
  2. Step 2: Convert to fraction form
    62,605.92/93,970.37 = 45,918.44/x
  3. Step 3: Cross multiply
    62,605.92x = 93,970.37 × 45,918.44
  4. Step 4: Simplify right side
    62,605.92x = 4,314,972,441.57
  5. Step 5: Solve for x
    x = 4,314,972,441.57/62,605.92
  6. Step 6: Final answer
    x = 68,922.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.