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Finding the Fourth Proportional to 47,271.20, 70,906.80 and 23,894.60

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Solution

The fourth proportional to 47,271.20, 70,906.80 and 23,894.60 is: 35,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,271.20 : 70,906.80 = 23,894.60 : x
  2. Step 2: Convert to fraction form
    47,271.20/70,906.80 = 23,894.60/x
  3. Step 3: Cross multiply
    47,271.20x = 70,906.80 × 23,894.60
  4. Step 4: Simplify right side
    47,271.20x = 1,694,289,623.28
  5. Step 5: Solve for x
    x = 1,694,289,623.28/47,271.20
  6. Step 6: Final answer
    x = 35,841.90

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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.