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Finding the Fourth Proportional to 57,662.52, 79,579.80 and 36,155.70

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Solution

The fourth proportional to 57,662.52, 79,579.80 and 36,155.70 is: 49,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,662.52 : 79,579.80 = 36,155.70 : x
  2. Step 2: Convert to fraction form
    57,662.52/79,579.80 = 36,155.70/x
  3. Step 3: Cross multiply
    57,662.52x = 79,579.80 × 36,155.70
  4. Step 4: Simplify right side
    57,662.52x = 2,877,263,374.86
  5. Step 5: Solve for x
    x = 2,877,263,374.86/57,662.52
  6. Step 6: Final answer
    x = 49,898.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.