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Finding the Fourth Proportional to 34,473.39, 47,578.41 and 21,052.41

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Solution

The fourth proportional to 34,473.39, 47,578.41 and 21,052.41 is: 29,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,473.39 : 47,578.41 = 21,052.41 : x
  2. Step 2: Convert to fraction form
    34,473.39/47,578.41 = 21,052.41/x
  3. Step 3: Cross multiply
    34,473.39x = 47,578.41 × 21,052.41
  4. Step 4: Simplify right side
    34,473.39x = 1,001,640,194.47
  5. Step 5: Solve for x
    x = 1,001,640,194.47/34,473.39
  6. Step 6: Final answer
    x = 29,055.46

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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.