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Finding the Fourth Proportional to 61,967, 85,512.12 and 33,672.08

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Solution

The fourth proportional to 61,967, 85,512.12 and 33,672.08 is: 46,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,967 : 85,512.12 = 33,672.08 : x
  2. Step 2: Convert to fraction form
    61,967/85,512.12 = 33,672.08/x
  3. Step 3: Cross multiply
    61,967x = 85,512.12 × 33,672.08
  4. Step 4: Simplify right side
    61,967x = 2,879,370,945.61
  5. Step 5: Solve for x
    x = 2,879,370,945.61/61,967
  6. Step 6: Final answer
    x = 46,466.20

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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.