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Finding the Fourth Proportional to 5,203.63, 7,181.01 and 2,845.79

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Solution

The fourth proportional to 5,203.63, 7,181.01 and 2,845.79 is: 3,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.63 : 7,181.01 = 2,845.79 : x
  2. Step 2: Convert to fraction form
    5,203.63/7,181.01 = 2,845.79/x
  3. Step 3: Cross multiply
    5,203.63x = 7,181.01 × 2,845.79
  4. Step 4: Simplify right side
    5,203.63x = 20,435,646.45
  5. Step 5: Solve for x
    x = 20,435,646.45/5,203.63
  6. Step 6: Final answer
    x = 3,927.19

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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.