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Finding the Fourth Proportional to 39,230.58, 54,137.98 and 22,238.04

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Solution

The fourth proportional to 39,230.58, 54,137.98 and 22,238.04 is: 30,688.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,230.58 : 54,137.98 = 22,238.04 : x
  2. Step 2: Convert to fraction form
    39,230.58/54,137.98 = 22,238.04/x
  3. Step 3: Cross multiply
    39,230.58x = 54,137.98 × 22,238.04
  4. Step 4: Simplify right side
    39,230.58x = 1,203,922,564.76
  5. Step 5: Solve for x
    x = 1,203,922,564.76/39,230.58
  6. Step 6: Final answer
    x = 30,688.37

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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.