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Finding the Fourth Proportional to 49,367.60, 74,062.20 and 24,419.60

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Solution

The fourth proportional to 49,367.60, 74,062.20 and 24,419.60 is: 36,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,367.60 : 74,062.20 = 24,419.60 : x
  2. Step 2: Convert to fraction form
    49,367.60/74,062.20 = 24,419.60/x
  3. Step 3: Cross multiply
    49,367.60x = 74,062.20 × 24,419.60
  4. Step 4: Simplify right side
    49,367.60x = 1,808,569,299.12
  5. Step 5: Solve for x
    x = 1,808,569,299.12/49,367.60
  6. Step 6: Final answer
    x = 36,634.74

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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.