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Finding the Fourth Proportional to 4,128.84, 6,185.52 and 2,046.42

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Solution

The fourth proportional to 4,128.84, 6,185.52 and 2,046.42 is: 3,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.84 : 6,185.52 = 2,046.42 : x
  2. Step 2: Convert to fraction form
    4,128.84/6,185.52 = 2,046.42/x
  3. Step 3: Cross multiply
    4,128.84x = 6,185.52 × 2,046.42
  4. Step 4: Simplify right side
    4,128.84x = 12,658,171.84
  5. Step 5: Solve for x
    x = 12,658,171.84/4,128.84
  6. Step 6: Final answer
    x = 3,065.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.