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Finding the Fourth Proportional to 6,607.63, 9,118.52 and 3,813.13

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Solution

The fourth proportional to 6,607.63, 9,118.52 and 3,813.13 is: 5,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.63 : 9,118.52 = 3,813.13 : x
  2. Step 2: Convert to fraction form
    6,607.63/9,118.52 = 3,813.13/x
  3. Step 3: Cross multiply
    6,607.63x = 9,118.52 × 3,813.13
  4. Step 4: Simplify right side
    6,607.63x = 34,770,102.17
  5. Step 5: Solve for x
    x = 34,770,102.17/6,607.63
  6. Step 6: Final answer
    x = 5,262.11

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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.