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Finding the Fourth Proportional to 6,086.50, 9,129.78 and 1,469.50

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Solution

The fourth proportional to 6,086.50, 9,129.78 and 1,469.50 is: 2,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.50 : 9,129.78 = 1,469.50 : x
  2. Step 2: Convert to fraction form
    6,086.50/9,129.78 = 1,469.50/x
  3. Step 3: Cross multiply
    6,086.50x = 9,129.78 × 1,469.50
  4. Step 4: Simplify right side
    6,086.50x = 13,416,211.71
  5. Step 5: Solve for x
    x = 13,416,211.71/6,086.50
  6. Step 6: Final answer
    x = 2,204.26

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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.