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Finding the Fourth Proportional to 8,199.67, 12,303.11 and 4,303.17

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Solution

The fourth proportional to 8,199.67, 12,303.11 and 4,303.17 is: 6,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.67 : 12,303.11 = 4,303.17 : x
  2. Step 2: Convert to fraction form
    8,199.67/12,303.11 = 4,303.17/x
  3. Step 3: Cross multiply
    8,199.67x = 12,303.11 × 4,303.17
  4. Step 4: Simplify right side
    8,199.67x = 52,942,373.86
  5. Step 5: Solve for x
    x = 52,942,373.86/8,199.67
  6. Step 6: Final answer
    x = 6,456.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.