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Finding the Fourth Proportional to 3,269.93, 4,904.89 and 2,690.46

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Solution

The fourth proportional to 3,269.93, 4,904.89 and 2,690.46 is: 4,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.93 : 4,904.89 = 2,690.46 : x
  2. Step 2: Convert to fraction form
    3,269.93/4,904.89 = 2,690.46/x
  3. Step 3: Cross multiply
    3,269.93x = 4,904.89 × 2,690.46
  4. Step 4: Simplify right side
    3,269.93x = 13,196,408.67
  5. Step 5: Solve for x
    x = 13,196,408.67/3,269.93
  6. Step 6: Final answer
    x = 4,035.69

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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.