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Finding the Fourth Proportional to 61,699.08, 85,144.92 and 33,404.64

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Solution

The fourth proportional to 61,699.08, 85,144.92 and 33,404.64 is: 46,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,699.08 : 85,144.92 = 33,404.64 : x
  2. Step 2: Convert to fraction form
    61,699.08/85,144.92 = 33,404.64/x
  3. Step 3: Cross multiply
    61,699.08x = 85,144.92 × 33,404.64
  4. Step 4: Simplify right side
    61,699.08x = 2,844,235,400.43
  5. Step 5: Solve for x
    x = 2,844,235,400.43/61,699.08
  6. Step 6: Final answer
    x = 46,098.51

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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.