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Finding the Fourth Proportional to 6,494.96, 9,741.48 and 2,390

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Solution

The fourth proportional to 6,494.96, 9,741.48 and 2,390 is: 3,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,494.96 : 9,741.48 = 2,390 : x
  2. Step 2: Convert to fraction form
    6,494.96/9,741.48 = 2,390/x
  3. Step 3: Cross multiply
    6,494.96x = 9,741.48 × 2,390
  4. Step 4: Simplify right side
    6,494.96x = 23,282,137.20
  5. Step 5: Solve for x
    x = 23,282,137.20/6,494.96
  6. Step 6: Final answer
    x = 3,584.65

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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.