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Finding the Fourth Proportional to 90,536.65, 135,819.27 and 27,348.92

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Solution

The fourth proportional to 90,536.65, 135,819.27 and 27,348.92 is: 41,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,536.65 : 135,819.27 = 27,348.92 : x
  2. Step 2: Convert to fraction form
    90,536.65/135,819.27 = 27,348.92/x
  3. Step 3: Cross multiply
    90,536.65x = 135,819.27 × 27,348.92
  4. Step 4: Simplify right side
    90,536.65x = 3,714,510,349.69
  5. Step 5: Solve for x
    x = 3,714,510,349.69/90,536.65
  6. Step 6: Final answer
    x = 41,027.70

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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.