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Finding the Fourth Proportional to 62,640.79, 93,948.42 and 23,188.52

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Solution

The fourth proportional to 62,640.79, 93,948.42 and 23,188.52 is: 34,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,640.79 : 93,948.42 = 23,188.52 : x
  2. Step 2: Convert to fraction form
    62,640.79/93,948.42 = 23,188.52/x
  3. Step 3: Cross multiply
    62,640.79x = 93,948.42 × 23,188.52
  4. Step 4: Simplify right side
    62,640.79x = 2,178,525,137.97
  5. Step 5: Solve for x
    x = 2,178,525,137.97/62,640.79
  6. Step 6: Final answer
    x = 34,778.06

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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.