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Finding the Fourth Proportional to 61,331.82, 91,997.73 and 26,248.74

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Solution

The fourth proportional to 61,331.82, 91,997.73 and 26,248.74 is: 39,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,331.82 : 91,997.73 = 26,248.74 : x
  2. Step 2: Convert to fraction form
    61,331.82/91,997.73 = 26,248.74/x
  3. Step 3: Cross multiply
    61,331.82x = 91,997.73 × 26,248.74
  4. Step 4: Simplify right side
    61,331.82x = 2,414,824,495.36
  5. Step 5: Solve for x
    x = 2,414,824,495.36/61,331.82
  6. Step 6: Final answer
    x = 39,373.11

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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.