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Finding the Fourth Proportional to 8,317.06, 12,475.77 and 2,077

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Solution

The fourth proportional to 8,317.06, 12,475.77 and 2,077 is: 3,115.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.06 : 12,475.77 = 2,077 : x
  2. Step 2: Convert to fraction form
    8,317.06/12,475.77 = 2,077/x
  3. Step 3: Cross multiply
    8,317.06x = 12,475.77 × 2,077
  4. Step 4: Simplify right side
    8,317.06x = 25,912,174.29
  5. Step 5: Solve for x
    x = 25,912,174.29/8,317.06
  6. Step 6: Final answer
    x = 3,115.54

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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.