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Finding the Fourth Proportional to 8,388.71, 11,576.18 and 4,611.89

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Solution

The fourth proportional to 8,388.71, 11,576.18 and 4,611.89 is: 6,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.71 : 11,576.18 = 4,611.89 : x
  2. Step 2: Convert to fraction form
    8,388.71/11,576.18 = 4,611.89/x
  3. Step 3: Cross multiply
    8,388.71x = 11,576.18 × 4,611.89
  4. Step 4: Simplify right side
    8,388.71x = 53,388,044.13
  5. Step 5: Solve for x
    x = 53,388,044.13/8,388.71
  6. Step 6: Final answer
    x = 6,364.27

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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.