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Finding the Fourth Proportional to 3,903.88, 5,858.16 and 2,516.08

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Solution

The fourth proportional to 3,903.88, 5,858.16 and 2,516.08 is: 3,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.88 : 5,858.16 = 2,516.08 : x
  2. Step 2: Convert to fraction form
    3,903.88/5,858.16 = 2,516.08/x
  3. Step 3: Cross multiply
    3,903.88x = 5,858.16 × 2,516.08
  4. Step 4: Simplify right side
    3,903.88x = 14,739,599.21
  5. Step 5: Solve for x
    x = 14,739,599.21/3,903.88
  6. Step 6: Final answer
    x = 3,775.63

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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.