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Finding the Fourth Proportional to 47,189.62, 70,819.79 and 29,446.20

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Solution

The fourth proportional to 47,189.62, 70,819.79 and 29,446.20 is: 44,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,189.62 : 70,819.79 = 29,446.20 : x
  2. Step 2: Convert to fraction form
    47,189.62/70,819.79 = 29,446.20/x
  3. Step 3: Cross multiply
    47,189.62x = 70,819.79 × 29,446.20
  4. Step 4: Simplify right side
    47,189.62x = 2,085,373,553.07
  5. Step 5: Solve for x
    x = 2,085,373,553.07/47,189.62
  6. Step 6: Final answer
    x = 44,191.36

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1.5x scale

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.