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Finding the Fourth Proportional to 3,893.52, 5,372.23 and 2,476.69

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Solution

The fourth proportional to 3,893.52, 5,372.23 and 2,476.69 is: 3,417.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.52 : 5,372.23 = 2,476.69 : x
  2. Step 2: Convert to fraction form
    3,893.52/5,372.23 = 2,476.69/x
  3. Step 3: Cross multiply
    3,893.52x = 5,372.23 × 2,476.69
  4. Step 4: Simplify right side
    3,893.52x = 13,305,337.98
  5. Step 5: Solve for x
    x = 13,305,337.98/3,893.52
  6. Step 6: Final answer
    x = 3,417.31

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1.5x scale

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.