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Finding the Fourth Proportional to 47,967.52, 71,910.24 and 18,406.57

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Solution

The fourth proportional to 47,967.52, 71,910.24 and 18,406.57 is: 27,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,967.52 : 71,910.24 = 18,406.57 : x
  2. Step 2: Convert to fraction form
    47,967.52/71,910.24 = 18,406.57/x
  3. Step 3: Cross multiply
    47,967.52x = 71,910.24 × 18,406.57
  4. Step 4: Simplify right side
    47,967.52x = 1,323,620,866.28
  5. Step 5: Solve for x
    x = 1,323,620,866.28/47,967.52
  6. Step 6: Final answer
    x = 27,594.11

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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.