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Finding the Fourth Proportional to 57,580.40, 86,370.60 and 22,495.46

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Solution

The fourth proportional to 57,580.40, 86,370.60 and 22,495.46 is: 33,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,580.40 : 86,370.60 = 22,495.46 : x
  2. Step 2: Convert to fraction form
    57,580.40/86,370.60 = 22,495.46/x
  3. Step 3: Cross multiply
    57,580.40x = 86,370.60 × 22,495.46
  4. Step 4: Simplify right side
    57,580.40x = 1,942,945,945.62
  5. Step 5: Solve for x
    x = 1,942,945,945.62/57,580.40
  6. Step 6: Final answer
    x = 33,743.19

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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.