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Finding the Fourth Proportional to 8,796.67, 13,190.85 and 5,099.92

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Solution

The fourth proportional to 8,796.67, 13,190.85 and 5,099.92 is: 7,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.67 : 13,190.85 = 5,099.92 : x
  2. Step 2: Convert to fraction form
    8,796.67/13,190.85 = 5,099.92/x
  3. Step 3: Cross multiply
    8,796.67x = 13,190.85 × 5,099.92
  4. Step 4: Simplify right side
    8,796.67x = 67,272,246.75
  5. Step 5: Solve for x
    x = 67,272,246.75/8,796.67
  6. Step 6: Final answer
    x = 7,647.47

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1.5x scale

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.