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Finding the Fourth Proportional to 3,950.08, 5,916.60 and 1,866.94

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Solution

The fourth proportional to 3,950.08, 5,916.60 and 1,866.94 is: 2,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.08 : 5,916.60 = 1,866.94 : x
  2. Step 2: Convert to fraction form
    3,950.08/5,916.60 = 1,866.94/x
  3. Step 3: Cross multiply
    3,950.08x = 5,916.60 × 1,866.94
  4. Step 4: Simplify right side
    3,950.08x = 11,045,937.20
  5. Step 5: Solve for x
    x = 11,045,937.20/3,950.08
  6. Step 6: Final answer
    x = 2,796.38

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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.