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Finding the Fourth Proportional to 8,063.89, 12,100.23 and 3,133.72

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Solution

The fourth proportional to 8,063.89, 12,100.23 and 3,133.72 is: 4,702.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.89 : 12,100.23 = 3,133.72 : x
  2. Step 2: Convert to fraction form
    8,063.89/12,100.23 = 3,133.72/x
  3. Step 3: Cross multiply
    8,063.89x = 12,100.23 × 3,133.72
  4. Step 4: Simplify right side
    8,063.89x = 37,918,732.76
  5. Step 5: Solve for x
    x = 37,918,732.76/8,063.89
  6. Step 6: Final answer
    x = 4,702.29

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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.