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Finding the Fourth Proportional to 8,950.73, 12,351.83 and 4,972.01

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Solution

The fourth proportional to 8,950.73, 12,351.83 and 4,972.01 is: 6,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.73 : 12,351.83 = 4,972.01 : x
  2. Step 2: Convert to fraction form
    8,950.73/12,351.83 = 4,972.01/x
  3. Step 3: Cross multiply
    8,950.73x = 12,351.83 × 4,972.01
  4. Step 4: Simplify right side
    8,950.73x = 61,413,335.66
  5. Step 5: Solve for x
    x = 61,413,335.66/8,950.73
  6. Step 6: Final answer
    x = 6,861.27

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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.