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Finding the Fourth Proportional to 5,841.86, 8,758.67 and 2,918.09

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Solution

The fourth proportional to 5,841.86, 8,758.67 and 2,918.09 is: 4,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,841.86 : 8,758.67 = 2,918.09 : x
  2. Step 2: Convert to fraction form
    5,841.86/8,758.67 = 2,918.09/x
  3. Step 3: Cross multiply
    5,841.86x = 8,758.67 × 2,918.09
  4. Step 4: Simplify right side
    5,841.86x = 25,558,594.65
  5. Step 5: Solve for x
    x = 25,558,594.65/5,841.86
  6. Step 6: Final answer
    x = 4,375.08

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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.