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Finding the Fourth Proportional to 3,773.54, 5,663.64 and 1,827.20

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Solution

The fourth proportional to 3,773.54, 5,663.64 and 1,827.20 is: 2,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.54 : 5,663.64 = 1,827.20 : x
  2. Step 2: Convert to fraction form
    3,773.54/5,663.64 = 1,827.20/x
  3. Step 3: Cross multiply
    3,773.54x = 5,663.64 × 1,827.20
  4. Step 4: Simplify right side
    3,773.54x = 10,348,603.01
  5. Step 5: Solve for x
    x = 10,348,603.01/3,773.54
  6. Step 6: Final answer
    x = 2,742.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.