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Finding the Fourth Proportional to 62,753, 94,109.54 and 20,623.36

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Solution

The fourth proportional to 62,753, 94,109.54 and 20,623.36 is: 30,928.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,753 : 94,109.54 = 20,623.36 : x
  2. Step 2: Convert to fraction form
    62,753/94,109.54 = 20,623.36/x
  3. Step 3: Cross multiply
    62,753x = 94,109.54 × 20,623.36
  4. Step 4: Simplify right side
    62,753x = 1,940,854,922.85
  5. Step 5: Solve for x
    x = 1,940,854,922.85/62,753
  6. Step 6: Final answer
    x = 30,928.48

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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.