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Finding the Fourth Proportional to 6,658.84, 9,189.18 and 3,674.66

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Solution

The fourth proportional to 6,658.84, 9,189.18 and 3,674.66 is: 5,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.84 : 9,189.18 = 3,674.66 : x
  2. Step 2: Convert to fraction form
    6,658.84/9,189.18 = 3,674.66/x
  3. Step 3: Cross multiply
    6,658.84x = 9,189.18 × 3,674.66
  4. Step 4: Simplify right side
    6,658.84x = 33,767,112.18
  5. Step 5: Solve for x
    x = 33,767,112.18/6,658.84
  6. Step 6: Final answer
    x = 5,071.02

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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.