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Finding the Fourth Proportional to 8,601.99, 12,904.26 and 3,054.87

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Solution

The fourth proportional to 8,601.99, 12,904.26 and 3,054.87 is: 4,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.99 : 12,904.26 = 3,054.87 : x
  2. Step 2: Convert to fraction form
    8,601.99/12,904.26 = 3,054.87/x
  3. Step 3: Cross multiply
    8,601.99x = 12,904.26 × 3,054.87
  4. Step 4: Simplify right side
    8,601.99x = 39,420,836.75
  5. Step 5: Solve for x
    x = 39,420,836.75/8,601.99
  6. Step 6: Final answer
    x = 4,582.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.