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Finding the Fourth Proportional to 6,463.86, 8,919.93 and 3,669.34

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Solution

The fourth proportional to 6,463.86, 8,919.93 and 3,669.34 is: 5,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463.86 : 8,919.93 = 3,669.34 : x
  2. Step 2: Convert to fraction form
    6,463.86/8,919.93 = 3,669.34/x
  3. Step 3: Cross multiply
    6,463.86x = 8,919.93 × 3,669.34
  4. Step 4: Simplify right side
    6,463.86x = 32,730,255.95
  5. Step 5: Solve for x
    x = 32,730,255.95/6,463.86
  6. Step 6: Final answer
    x = 5,063.58

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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.