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Finding the Fourth Proportional to 38,819.03, 58,187.03 and 20,080.21

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Solution

The fourth proportional to 38,819.03, 58,187.03 and 20,080.21 is: 30,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,819.03 : 58,187.03 = 20,080.21 : x
  2. Step 2: Convert to fraction form
    38,819.03/58,187.03 = 20,080.21/x
  3. Step 3: Cross multiply
    38,819.03x = 58,187.03 × 20,080.21
  4. Step 4: Simplify right side
    38,819.03x = 1,168,407,781.68
  5. Step 5: Solve for x
    x = 1,168,407,781.68/38,819.03
  6. Step 6: Final answer
    x = 30,098.84

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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.