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Finding the Fourth Proportional to 72,072, 108,108.48 and 22,824

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Solution

The fourth proportional to 72,072, 108,108.48 and 22,824 is: 34,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,072 : 108,108.48 = 22,824 : x
  2. Step 2: Convert to fraction form
    72,072/108,108.48 = 22,824/x
  3. Step 3: Cross multiply
    72,072x = 108,108.48 × 22,824
  4. Step 4: Simplify right side
    72,072x = 2,467,467,947.52
  5. Step 5: Solve for x
    x = 2,467,467,947.52/72,072
  6. Step 6: Final answer
    x = 34,236.15

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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.