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Finding the Fourth Proportional to 6,144.15, 8,478.92 and 3,349.65

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Solution

The fourth proportional to 6,144.15, 8,478.92 and 3,349.65 is: 4,622.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.15 : 8,478.92 = 3,349.65 : x
  2. Step 2: Convert to fraction form
    6,144.15/8,478.92 = 3,349.65/x
  3. Step 3: Cross multiply
    6,144.15x = 8,478.92 × 3,349.65
  4. Step 4: Simplify right side
    6,144.15x = 28,401,397.63
  5. Step 5: Solve for x
    x = 28,401,397.63/6,144.15
  6. Step 6: Final answer
    x = 4,622.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.