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Finding the Fourth Proportional to 8,101.50, 11,180.07 and 4,375.50

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Solution

The fourth proportional to 8,101.50, 11,180.07 and 4,375.50 is: 6,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.50 : 11,180.07 = 4,375.50 : x
  2. Step 2: Convert to fraction form
    8,101.50/11,180.07 = 4,375.50/x
  3. Step 3: Cross multiply
    8,101.50x = 11,180.07 × 4,375.50
  4. Step 4: Simplify right side
    8,101.50x = 48,918,396.29
  5. Step 5: Solve for x
    x = 48,918,396.29/8,101.50
  6. Step 6: Final answer
    x = 6,038.19

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Why These Related Problems?

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