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Finding the Fourth Proportional to 39,100.48, 53,958 and 22,104.46

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Solution

The fourth proportional to 39,100.48, 53,958 and 22,104.46 is: 30,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,100.48 : 53,958 = 22,104.46 : x
  2. Step 2: Convert to fraction form
    39,100.48/53,958 = 22,104.46/x
  3. Step 3: Cross multiply
    39,100.48x = 53,958 × 22,104.46
  4. Step 4: Simplify right side
    39,100.48x = 1,192,712,452.68
  5. Step 5: Solve for x
    x = 1,192,712,452.68/39,100.48
  6. Step 6: Final answer
    x = 30,503.78

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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.