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Finding the Fourth Proportional to 8,188.52, 11,299.82 and 4,651.34

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Solution

The fourth proportional to 8,188.52, 11,299.82 and 4,651.34 is: 6,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.52 : 11,299.82 = 4,651.34 : x
  2. Step 2: Convert to fraction form
    8,188.52/11,299.82 = 4,651.34/x
  3. Step 3: Cross multiply
    8,188.52x = 11,299.82 × 4,651.34
  4. Step 4: Simplify right side
    8,188.52x = 52,559,225.00
  5. Step 5: Solve for x
    x = 52,559,225.00/8,188.52
  6. Step 6: Final answer
    x = 6,418.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.