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Finding the Fourth Proportional to 8,099.67, 12,125.07 and 5,321.10

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Solution

The fourth proportional to 8,099.67, 12,125.07 and 5,321.10 is: 7,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.67 : 12,125.07 = 5,321.10 : x
  2. Step 2: Convert to fraction form
    8,099.67/12,125.07 = 5,321.10/x
  3. Step 3: Cross multiply
    8,099.67x = 12,125.07 × 5,321.10
  4. Step 4: Simplify right side
    8,099.67x = 64,518,709.98
  5. Step 5: Solve for x
    x = 64,518,709.98/8,099.67
  6. Step 6: Final answer
    x = 7,965.60

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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.