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Finding the Fourth Proportional to 3,655.52, 5,044.56 and 1,999.52

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Solution

The fourth proportional to 3,655.52, 5,044.56 and 1,999.52 is: 2,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.52 : 5,044.56 = 1,999.52 : x
  2. Step 2: Convert to fraction form
    3,655.52/5,044.56 = 1,999.52/x
  3. Step 3: Cross multiply
    3,655.52x = 5,044.56 × 1,999.52
  4. Step 4: Simplify right side
    3,655.52x = 10,086,698.61
  5. Step 5: Solve for x
    x = 10,086,698.61/3,655.52
  6. Step 6: Final answer
    x = 2,759.31

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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.