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Finding the Fourth Proportional to 2,502.52, 3,453.26 and 1,383.45

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Solution

The fourth proportional to 2,502.52, 3,453.26 and 1,383.45 is: 1,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.52 : 3,453.26 = 1,383.45 : x
  2. Step 2: Convert to fraction form
    2,502.52/3,453.26 = 1,383.45/x
  3. Step 3: Cross multiply
    2,502.52x = 3,453.26 × 1,383.45
  4. Step 4: Simplify right side
    2,502.52x = 4,777,403.86
  5. Step 5: Solve for x
    x = 4,777,403.86/2,502.52
  6. Step 6: Final answer
    x = 1,909.04

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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.