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Finding the Fourth Proportional to 47,866.33, 71,799.51 and 21,540.34

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Solution

The fourth proportional to 47,866.33, 71,799.51 and 21,540.34 is: 32,310.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,866.33 : 71,799.51 = 21,540.34 : x
  2. Step 2: Convert to fraction form
    47,866.33/71,799.51 = 21,540.34/x
  3. Step 3: Cross multiply
    47,866.33x = 71,799.51 × 21,540.34
  4. Step 4: Simplify right side
    47,866.33x = 1,546,585,857.23
  5. Step 5: Solve for x
    x = 1,546,585,857.23/47,866.33
  6. Step 6: Final answer
    x = 32,310.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.