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Finding the Fourth Proportional to 3,773.77, 5,205.99 and 2,655.32

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Solution

The fourth proportional to 3,773.77, 5,205.99 and 2,655.32 is: 3,663.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.77 : 5,205.99 = 2,655.32 : x
  2. Step 2: Convert to fraction form
    3,773.77/5,205.99 = 2,655.32/x
  3. Step 3: Cross multiply
    3,773.77x = 5,205.99 × 2,655.32
  4. Step 4: Simplify right side
    3,773.77x = 13,823,567.64
  5. Step 5: Solve for x
    x = 13,823,567.64/3,773.77
  6. Step 6: Final answer
    x = 3,663.07

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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.