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Finding the Fourth Proportional to 69,792.54, 104,680.15 and 22,403.89

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Solution

The fourth proportional to 69,792.54, 104,680.15 and 22,403.89 is: 33,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,792.54 : 104,680.15 = 22,403.89 : x
  2. Step 2: Convert to fraction form
    69,792.54/104,680.15 = 22,403.89/x
  3. Step 3: Cross multiply
    69,792.54x = 104,680.15 × 22,403.89
  4. Step 4: Simplify right side
    69,792.54x = 2,345,242,640.62
  5. Step 5: Solve for x
    x = 2,345,242,640.62/69,792.54
  6. Step 6: Final answer
    x = 33,603.06

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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.