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Finding the Fourth Proportional to 1,697.82, 2,546.86 and 1,103.49

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Solution

The fourth proportional to 1,697.82, 2,546.86 and 1,103.49 is: 1,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.82 : 2,546.86 = 1,103.49 : x
  2. Step 2: Convert to fraction form
    1,697.82/2,546.86 = 1,103.49/x
  3. Step 3: Cross multiply
    1,697.82x = 2,546.86 × 1,103.49
  4. Step 4: Simplify right side
    1,697.82x = 2,810,438.51
  5. Step 5: Solve for x
    x = 2,810,438.51/1,697.82
  6. Step 6: Final answer
    x = 1,655.32

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