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Finding the Fourth Proportional to 47,250.72, 70,920 and 23,893.92

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Solution

The fourth proportional to 47,250.72, 70,920 and 23,893.92 is: 35,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,250.72 : 70,920 = 23,893.92 : x
  2. Step 2: Convert to fraction form
    47,250.72/70,920 = 23,893.92/x
  3. Step 3: Cross multiply
    47,250.72x = 70,920 × 23,893.92
  4. Step 4: Simplify right side
    47,250.72x = 1,694,556,806.40
  5. Step 5: Solve for x
    x = 1,694,556,806.40/47,250.72
  6. Step 6: Final answer
    x = 35,863.09

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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.