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Finding the Fourth Proportional to 45,198.60, 67,799.10 and 14,034.60

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Solution

The fourth proportional to 45,198.60, 67,799.10 and 14,034.60 is: 21,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,198.60 : 67,799.10 = 14,034.60 : x
  2. Step 2: Convert to fraction form
    45,198.60/67,799.10 = 14,034.60/x
  3. Step 3: Cross multiply
    45,198.60x = 67,799.10 × 14,034.60
  4. Step 4: Simplify right side
    45,198.60x = 951,533,248.86
  5. Step 5: Solve for x
    x = 951,533,248.86/45,198.60
  6. Step 6: Final answer
    x = 21,052.27

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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.