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Finding the Fourth Proportional to 3,804.52, 5,252.64 and 2,918.62

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Solution

The fourth proportional to 3,804.52, 5,252.64 and 2,918.62 is: 4,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.52 : 5,252.64 = 2,918.62 : x
  2. Step 2: Convert to fraction form
    3,804.52/5,252.64 = 2,918.62/x
  3. Step 3: Cross multiply
    3,804.52x = 5,252.64 × 2,918.62
  4. Step 4: Simplify right side
    3,804.52x = 15,330,460.16
  5. Step 5: Solve for x
    x = 15,330,460.16/3,804.52
  6. Step 6: Final answer
    x = 4,029.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.