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Finding the Fourth Proportional to 39,442.08, 58,821 and 33,636

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Solution

The fourth proportional to 39,442.08, 58,821 and 33,636 is: 50,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,442.08 : 58,821 = 33,636 : x
  2. Step 2: Convert to fraction form
    39,442.08/58,821 = 33,636/x
  3. Step 3: Cross multiply
    39,442.08x = 58,821 × 33,636
  4. Step 4: Simplify right side
    39,442.08x = 1,978,503,156
  5. Step 5: Solve for x
    x = 1,978,503,156/39,442.08
  6. Step 6: Final answer
    x = 50,162.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.