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Finding the Fourth Proportional to 72,577.90, 108,866.86 and 22,662.27

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Solution

The fourth proportional to 72,577.90, 108,866.86 and 22,662.27 is: 33,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,577.90 : 108,866.86 = 22,662.27 : x
  2. Step 2: Convert to fraction form
    72,577.90/108,866.86 = 22,662.27/x
  3. Step 3: Cross multiply
    72,577.90x = 108,866.86 × 22,662.27
  4. Step 4: Simplify right side
    72,577.90x = 2,467,170,390.88
  5. Step 5: Solve for x
    x = 2,467,170,390.88/72,577.90
  6. Step 6: Final answer
    x = 33,993.41

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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.