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Finding the Fourth Proportional to 5,912.06, 8,867 and 1,808.06

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Solution

The fourth proportional to 5,912.06, 8,867 and 1,808.06 is: 2,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.06 : 8,867 = 1,808.06 : x
  2. Step 2: Convert to fraction form
    5,912.06/8,867 = 1,808.06/x
  3. Step 3: Cross multiply
    5,912.06x = 8,867 × 1,808.06
  4. Step 4: Simplify right side
    5,912.06x = 16,032,068.02
  5. Step 5: Solve for x
    x = 16,032,068.02/5,912.06
  6. Step 6: Final answer
    x = 2,711.76

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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.