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Finding the Fourth Proportional to 57,039, 85,483.02 and 41,296.68

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Solution

The fourth proportional to 57,039, 85,483.02 and 41,296.68 is: 61,890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039 : 85,483.02 = 41,296.68 : x
  2. Step 2: Convert to fraction form
    57,039/85,483.02 = 41,296.68/x
  3. Step 3: Cross multiply
    57,039x = 85,483.02 × 41,296.68
  4. Step 4: Simplify right side
    57,039x = 3,530,164,922.37
  5. Step 5: Solve for x
    x = 3,530,164,922.37/57,039
  6. Step 6: Final answer
    x = 61,890.37

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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.