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Finding the Fourth Proportional to 70,819.44, 106,229.42 and 26,445.72

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Solution

The fourth proportional to 70,819.44, 106,229.42 and 26,445.72 is: 39,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,819.44 : 106,229.42 = 26,445.72 : x
  2. Step 2: Convert to fraction form
    70,819.44/106,229.42 = 26,445.72/x
  3. Step 3: Cross multiply
    70,819.44x = 106,229.42 × 26,445.72
  4. Step 4: Simplify right side
    70,819.44x = 2,809,313,497.08
  5. Step 5: Solve for x
    x = 2,809,313,497.08/70,819.44
  6. Step 6: Final answer
    x = 39,668.68

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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.