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Finding the Fourth Proportional to 8,906.65, 13,359.82 and 3,063.10

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Solution

The fourth proportional to 8,906.65, 13,359.82 and 3,063.10 is: 4,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.65 : 13,359.82 = 3,063.10 : x
  2. Step 2: Convert to fraction form
    8,906.65/13,359.82 = 3,063.10/x
  3. Step 3: Cross multiply
    8,906.65x = 13,359.82 × 3,063.10
  4. Step 4: Simplify right side
    8,906.65x = 40,922,464.64
  5. Step 5: Solve for x
    x = 40,922,464.64/8,906.65
  6. Step 6: Final answer
    x = 4,594.60

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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.