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Finding the Fourth Proportional to 8,398.98, 12,601.02 and 2,555.64

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Solution

The fourth proportional to 8,398.98, 12,601.02 and 2,555.64 is: 3,834.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.98 : 12,601.02 = 2,555.64 : x
  2. Step 2: Convert to fraction form
    8,398.98/12,601.02 = 2,555.64/x
  3. Step 3: Cross multiply
    8,398.98x = 12,601.02 × 2,555.64
  4. Step 4: Simplify right side
    8,398.98x = 32,203,670.75
  5. Step 5: Solve for x
    x = 32,203,670.75/8,398.98
  6. Step 6: Final answer
    x = 3,834.24

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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.