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Finding the Fourth Proportional to 3,335.72, 5,002.82 and 1,255.94

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Solution

The fourth proportional to 3,335.72, 5,002.82 and 1,255.94 is: 1,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.72 : 5,002.82 = 1,255.94 : x
  2. Step 2: Convert to fraction form
    3,335.72/5,002.82 = 1,255.94/x
  3. Step 3: Cross multiply
    3,335.72x = 5,002.82 × 1,255.94
  4. Step 4: Simplify right side
    3,335.72x = 6,283,252.69
  5. Step 5: Solve for x
    x = 6,283,252.69/3,335.72
  6. Step 6: Final answer
    x = 1,883.63

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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.