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Finding the Fourth Proportional to 8,834.66, 13,249.93 and 3,290.61

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Solution

The fourth proportional to 8,834.66, 13,249.93 and 3,290.61 is: 4,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.66 : 13,249.93 = 3,290.61 : x
  2. Step 2: Convert to fraction form
    8,834.66/13,249.93 = 3,290.61/x
  3. Step 3: Cross multiply
    8,834.66x = 13,249.93 × 3,290.61
  4. Step 4: Simplify right side
    8,834.66x = 43,600,352.16
  5. Step 5: Solve for x
    x = 43,600,352.16/8,834.66
  6. Step 6: Final answer
    x = 4,935.15

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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.