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Finding the Fourth Proportional to 3,369.92, 5,053.86 and 1,118.00

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Solution

The fourth proportional to 3,369.92, 5,053.86 and 1,118.00 is: 1,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.92 : 5,053.86 = 1,118.00 : x
  2. Step 2: Convert to fraction form
    3,369.92/5,053.86 = 1,118.00/x
  3. Step 3: Cross multiply
    3,369.92x = 5,053.86 × 1,118.00
  4. Step 4: Simplify right side
    3,369.92x = 5,650,228.11
  5. Step 5: Solve for x
    x = 5,650,228.11/3,369.92
  6. Step 6: Final answer
    x = 1,676.66

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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.