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Finding the Fourth Proportional to 47,965.83, 71,907.71 and 18,404.88

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Solution

The fourth proportional to 47,965.83, 71,907.71 and 18,404.88 is: 27,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,965.83 : 71,907.71 = 18,404.88 : x
  2. Step 2: Convert to fraction form
    47,965.83/71,907.71 = 18,404.88/x
  3. Step 3: Cross multiply
    47,965.83x = 71,907.71 × 18,404.88
  4. Step 4: Simplify right side
    47,965.83x = 1,323,452,773.62
  5. Step 5: Solve for x
    x = 1,323,452,773.62/47,965.83
  6. Step 6: Final answer
    x = 27,591.57

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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.