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Finding the Fourth Proportional to 72,006.86, 108,024.23 and 27,630.16

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Solution

The fourth proportional to 72,006.86, 108,024.23 and 27,630.16 is: 41,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,006.86 : 108,024.23 = 27,630.16 : x
  2. Step 2: Convert to fraction form
    72,006.86/108,024.23 = 27,630.16/x
  3. Step 3: Cross multiply
    72,006.86x = 108,024.23 × 27,630.16
  4. Step 4: Simplify right side
    72,006.86x = 2,984,726,990.58
  5. Step 5: Solve for x
    x = 2,984,726,990.58/72,006.86
  6. Step 6: Final answer
    x = 41,450.59

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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.