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Finding the Fourth Proportional to 8,889.87, 13,336.74 and 3,046.62

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Solution

The fourth proportional to 8,889.87, 13,336.74 and 3,046.62 is: 4,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.87 : 13,336.74 = 3,046.62 : x
  2. Step 2: Convert to fraction form
    8,889.87/13,336.74 = 3,046.62/x
  3. Step 3: Cross multiply
    8,889.87x = 13,336.74 × 3,046.62
  4. Step 4: Simplify right side
    8,889.87x = 40,631,978.82
  5. Step 5: Solve for x
    x = 40,631,978.82/8,889.87
  6. Step 6: Final answer
    x = 4,570.59

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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.