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Finding the Fourth Proportional to 40,509.62, 55,906.10 and 22,608.11

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Solution

The fourth proportional to 40,509.62, 55,906.10 and 22,608.11 is: 31,200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,509.62 : 55,906.10 = 22,608.11 : x
  2. Step 2: Convert to fraction form
    40,509.62/55,906.10 = 22,608.11/x
  3. Step 3: Cross multiply
    40,509.62x = 55,906.10 × 22,608.11
  4. Step 4: Simplify right side
    40,509.62x = 1,263,931,369.98
  5. Step 5: Solve for x
    x = 1,263,931,369.98/40,509.62
  6. Step 6: Final answer
    x = 31,200.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.