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Finding the Fourth Proportional to 6,331.84, 8,738.25 and 3,814.72

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Solution

The fourth proportional to 6,331.84, 8,738.25 and 3,814.72 is: 5,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.84 : 8,738.25 = 3,814.72 : x
  2. Step 2: Convert to fraction form
    6,331.84/8,738.25 = 3,814.72/x
  3. Step 3: Cross multiply
    6,331.84x = 8,738.25 × 3,814.72
  4. Step 4: Simplify right side
    6,331.84x = 33,333,977.04
  5. Step 5: Solve for x
    x = 33,333,977.04/6,331.84
  6. Step 6: Final answer
    x = 5,264.50

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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.