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Finding the Fourth Proportional to 61,626.30, 85,044.29 and 33,331.98

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Solution

The fourth proportional to 61,626.30, 85,044.29 and 33,331.98 is: 45,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,626.30 : 85,044.29 = 33,331.98 : x
  2. Step 2: Convert to fraction form
    61,626.30/85,044.29 = 33,331.98/x
  3. Step 3: Cross multiply
    61,626.30x = 85,044.29 × 33,331.98
  4. Step 4: Simplify right side
    61,626.30x = 2,834,694,975.64
  5. Step 5: Solve for x
    x = 2,834,694,975.64/61,626.30
  6. Step 6: Final answer
    x = 45,998.14

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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.