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Finding the Fourth Proportional to 61,251.32, 91,901.82 and 41,518.64

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Solution

The fourth proportional to 61,251.32, 91,901.82 and 41,518.64 is: 62,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,251.32 : 91,901.82 = 41,518.64 : x
  2. Step 2: Convert to fraction form
    61,251.32/91,901.82 = 41,518.64/x
  3. Step 3: Cross multiply
    61,251.32x = 91,901.82 × 41,518.64
  4. Step 4: Simplify right side
    61,251.32x = 3,815,638,579.92
  5. Step 5: Solve for x
    x = 3,815,638,579.92/61,251.32
  6. Step 6: Final answer
    x = 62,294.80

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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.