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Finding the Fourth Proportional to 47,961.59, 71,920.52 and 23,013.39

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Solution

The fourth proportional to 47,961.59, 71,920.52 and 23,013.39 is: 34,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,961.59 : 71,920.52 = 23,013.39 : x
  2. Step 2: Convert to fraction form
    47,961.59/71,920.52 = 23,013.39/x
  3. Step 3: Cross multiply
    47,961.59x = 71,920.52 × 23,013.39
  4. Step 4: Simplify right side
    47,961.59x = 1,655,134,860.70
  5. Step 5: Solve for x
    x = 1,655,134,860.70/47,961.59
  6. Step 6: Final answer
    x = 34,509.59

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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.