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Finding the Fourth Proportional to 6,484.30, 8,947.78 and 3,651.52

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Solution

The fourth proportional to 6,484.30, 8,947.78 and 3,651.52 is: 5,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.30 : 8,947.78 = 3,651.52 : x
  2. Step 2: Convert to fraction form
    6,484.30/8,947.78 = 3,651.52/x
  3. Step 3: Cross multiply
    6,484.30x = 8,947.78 × 3,651.52
  4. Step 4: Simplify right side
    6,484.30x = 32,672,997.63
  5. Step 5: Solve for x
    x = 32,672,997.63/6,484.30
  6. Step 6: Final answer
    x = 5,038.79

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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.