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Finding the Fourth Proportional to 3,599.91, 4,965.73 and 2,655.40

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Solution

The fourth proportional to 3,599.91, 4,965.73 and 2,655.40 is: 3,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.91 : 4,965.73 = 2,655.40 : x
  2. Step 2: Convert to fraction form
    3,599.91/4,965.73 = 2,655.40/x
  3. Step 3: Cross multiply
    3,599.91x = 4,965.73 × 2,655.40
  4. Step 4: Simplify right side
    3,599.91x = 13,185,999.44
  5. Step 5: Solve for x
    x = 13,185,999.44/3,599.91
  6. Step 6: Final answer
    x = 3,662.87

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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.