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Finding the Fourth Proportional to 2,003.66, 2,765.04 and 1,164.54

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Solution

The fourth proportional to 2,003.66, 2,765.04 and 1,164.54 is: 1,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.66 : 2,765.04 = 1,164.54 : x
  2. Step 2: Convert to fraction form
    2,003.66/2,765.04 = 1,164.54/x
  3. Step 3: Cross multiply
    2,003.66x = 2,765.04 × 1,164.54
  4. Step 4: Simplify right side
    2,003.66x = 3,219,999.68
  5. Step 5: Solve for x
    x = 3,219,999.68/2,003.66
  6. Step 6: Final answer
    x = 1,607.06

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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.