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Finding the Fourth Proportional to 5,871, 8,808.12 and 2,793

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Solution

The fourth proportional to 5,871, 8,808.12 and 2,793 is: 4,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871 : 8,808.12 = 2,793 : x
  2. Step 2: Convert to fraction form
    5,871/8,808.12 = 2,793/x
  3. Step 3: Cross multiply
    5,871x = 8,808.12 × 2,793
  4. Step 4: Simplify right side
    5,871x = 24,601,079.16
  5. Step 5: Solve for x
    x = 24,601,079.16/5,871
  6. Step 6: Final answer
    x = 4,190.27

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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.