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Finding the Fourth Proportional to 61,417.31, 91,935.27 and 33,267.45

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Solution

The fourth proportional to 61,417.31, 91,935.27 and 33,267.45 is: 49,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,417.31 : 91,935.27 = 33,267.45 : x
  2. Step 2: Convert to fraction form
    61,417.31/91,935.27 = 33,267.45/x
  3. Step 3: Cross multiply
    61,417.31x = 91,935.27 × 33,267.45
  4. Step 4: Simplify right side
    61,417.31x = 3,058,451,997.96
  5. Step 5: Solve for x
    x = 3,058,451,997.96/61,417.31
  6. Step 6: Final answer
    x = 49,797.89

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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.