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Finding the Fourth Proportional to 5,918.66, 8,874.89 and 1,758.09

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Solution

The fourth proportional to 5,918.66, 8,874.89 and 1,758.09 is: 2,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.66 : 8,874.89 = 1,758.09 : x
  2. Step 2: Convert to fraction form
    5,918.66/8,874.89 = 1,758.09/x
  3. Step 3: Cross multiply
    5,918.66x = 8,874.89 × 1,758.09
  4. Step 4: Simplify right side
    5,918.66x = 15,602,846.57
  5. Step 5: Solve for x
    x = 15,602,846.57/5,918.66
  6. Step 6: Final answer
    x = 2,636.21

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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.