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Finding the Fourth Proportional to 3,699.08, 5,545.88 and 1,749

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Solution

The fourth proportional to 3,699.08, 5,545.88 and 1,749 is: 2,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.08 : 5,545.88 = 1,749 : x
  2. Step 2: Convert to fraction form
    3,699.08/5,545.88 = 1,749/x
  3. Step 3: Cross multiply
    3,699.08x = 5,545.88 × 1,749
  4. Step 4: Simplify right side
    3,699.08x = 9,699,741.93
  5. Step 5: Solve for x
    x = 9,699,741.93/3,699.08
  6. Step 6: Final answer
    x = 2,622.21

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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.