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Finding the Fourth Proportional to 3,366, 5,050.38 and 1,805.58

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Solution

The fourth proportional to 3,366, 5,050.38 and 1,805.58 is: 2,709.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366 : 5,050.38 = 1,805.58 : x
  2. Step 2: Convert to fraction form
    3,366/5,050.38 = 1,805.58/x
  3. Step 3: Cross multiply
    3,366x = 5,050.38 × 1,805.58
  4. Step 4: Simplify right side
    3,366x = 9,118,865.12
  5. Step 5: Solve for x
    x = 9,118,865.12/3,366
  6. Step 6: Final answer
    x = 2,709.11

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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.