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Finding the Fourth Proportional to 3,652.03, 5,469.81 and 2,561.28

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Solution

The fourth proportional to 3,652.03, 5,469.81 and 2,561.28 is: 3,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.03 : 5,469.81 = 2,561.28 : x
  2. Step 2: Convert to fraction form
    3,652.03/5,469.81 = 2,561.28/x
  3. Step 3: Cross multiply
    3,652.03x = 5,469.81 × 2,561.28
  4. Step 4: Simplify right side
    3,652.03x = 14,009,714.96
  5. Step 5: Solve for x
    x = 14,009,714.96/3,652.03
  6. Step 6: Final answer
    x = 3,836.14

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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.