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Finding the Fourth Proportional to 62,066, 85,650.36 and 33,771.20

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Solution

The fourth proportional to 62,066, 85,650.36 and 33,771.20 is: 46,603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,066 : 85,650.36 = 33,771.20 : x
  2. Step 2: Convert to fraction form
    62,066/85,650.36 = 33,771.20/x
  3. Step 3: Cross multiply
    62,066x = 85,650.36 × 33,771.20
  4. Step 4: Simplify right side
    62,066x = 2,892,515,437.63
  5. Step 5: Solve for x
    x = 2,892,515,437.63/62,066
  6. Step 6: Final answer
    x = 46,603.86

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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.