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Finding the Fourth Proportional to 57,749.07, 79,691.44 and 36,250.41

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Solution

The fourth proportional to 57,749.07, 79,691.44 and 36,250.41 is: 50,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,749.07 : 79,691.44 = 36,250.41 : x
  2. Step 2: Convert to fraction form
    57,749.07/79,691.44 = 36,250.41/x
  3. Step 3: Cross multiply
    57,749.07x = 79,691.44 × 36,250.41
  4. Step 4: Simplify right side
    57,749.07x = 2,888,847,373.49
  5. Step 5: Solve for x
    x = 2,888,847,373.49/57,749.07
  6. Step 6: Final answer
    x = 50,024.14

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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.