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Finding the Fourth Proportional to 8,600.37, 11,869.50 and 5,063.50

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Solution

The fourth proportional to 8,600.37, 11,869.50 and 5,063.50 is: 6,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.37 : 11,869.50 = 5,063.50 : x
  2. Step 2: Convert to fraction form
    8,600.37/11,869.50 = 5,063.50/x
  3. Step 3: Cross multiply
    8,600.37x = 11,869.50 × 5,063.50
  4. Step 4: Simplify right side
    8,600.37x = 60,101,213.25
  5. Step 5: Solve for x
    x = 60,101,213.25/8,600.37
  6. Step 6: Final answer
    x = 6,988.21

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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.