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Finding the Fourth Proportional to 57,364.44, 79,185.51 and 36,139.74

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Solution

The fourth proportional to 57,364.44, 79,185.51 and 36,139.74 is: 49,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,364.44 : 79,185.51 = 36,139.74 : x
  2. Step 2: Convert to fraction form
    57,364.44/79,185.51 = 36,139.74/x
  3. Step 3: Cross multiply
    57,364.44x = 79,185.51 × 36,139.74
  4. Step 4: Simplify right side
    57,364.44x = 2,861,743,743.17
  5. Step 5: Solve for x
    x = 2,861,743,743.17/57,364.44
  6. Step 6: Final answer
    x = 49,887.07

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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.