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Finding the Fourth Proportional to 2,706.24, 4,059.02 and 758.58

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Solution

The fourth proportional to 2,706.24, 4,059.02 and 758.58 is: 1,137.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,706.24 : 4,059.02 = 758.58 : x
  2. Step 2: Convert to fraction form
    2,706.24/4,059.02 = 758.58/x
  3. Step 3: Cross multiply
    2,706.24x = 4,059.02 × 758.58
  4. Step 4: Simplify right side
    2,706.24x = 3,079,091.39
  5. Step 5: Solve for x
    x = 3,079,091.39/2,706.24
  6. Step 6: Final answer
    x = 1,137.77

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Why These Related Problems?

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