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Finding the Fourth Proportional to 2,685.82, 3,706.62 and 1,506.94

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Solution

The fourth proportional to 2,685.82, 3,706.62 and 1,506.94 is: 2,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.82 : 3,706.62 = 1,506.94 : x
  2. Step 2: Convert to fraction form
    2,685.82/3,706.62 = 1,506.94/x
  3. Step 3: Cross multiply
    2,685.82x = 3,706.62 × 1,506.94
  4. Step 4: Simplify right side
    2,685.82x = 5,585,653.94
  5. Step 5: Solve for x
    x = 5,585,653.94/2,685.82
  6. Step 6: Final answer
    x = 2,079.68

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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.