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Finding the Fourth Proportional to 49,892.60, 74,656.65 and 36,770.60

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Solution

The fourth proportional to 49,892.60, 74,656.65 and 36,770.60 is: 55,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,892.60 : 74,656.65 = 36,770.60 : x
  2. Step 2: Convert to fraction form
    49,892.60/74,656.65 = 36,770.60/x
  3. Step 3: Cross multiply
    49,892.60x = 74,656.65 × 36,770.60
  4. Step 4: Simplify right side
    49,892.60x = 2,745,169,814.49
  5. Step 5: Solve for x
    x = 2,745,169,814.49/49,892.60
  6. Step 6: Final answer
    x = 55,021.58

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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.