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Finding the Fourth Proportional to 56,546.60, 84,819.90 and 49,634.60

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Solution

The fourth proportional to 56,546.60, 84,819.90 and 49,634.60 is: 74,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,546.60 : 84,819.90 = 49,634.60 : x
  2. Step 2: Convert to fraction form
    56,546.60/84,819.90 = 49,634.60/x
  3. Step 3: Cross multiply
    56,546.60x = 84,819.90 × 49,634.60
  4. Step 4: Simplify right side
    56,546.60x = 4,210,001,808.54
  5. Step 5: Solve for x
    x = 4,210,001,808.54/56,546.60
  6. Step 6: Final answer
    x = 74,451.90

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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.