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Finding the Fourth Proportional to 5,918.87, 8,872.14 and 2,407.37

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Solution

The fourth proportional to 5,918.87, 8,872.14 and 2,407.37 is: 3,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.87 : 8,872.14 = 2,407.37 : x
  2. Step 2: Convert to fraction form
    5,918.87/8,872.14 = 2,407.37/x
  3. Step 3: Cross multiply
    5,918.87x = 8,872.14 × 2,407.37
  4. Step 4: Simplify right side
    5,918.87x = 21,358,479.31
  5. Step 5: Solve for x
    x = 21,358,479.31/5,918.87
  6. Step 6: Final answer
    x = 3,608.54

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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.