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Finding the Fourth Proportional to 2,004.57, 3,007.26 and 706.05

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Solution

The fourth proportional to 2,004.57, 3,007.26 and 706.05 is: 1,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.57 : 3,007.26 = 706.05 : x
  2. Step 2: Convert to fraction form
    2,004.57/3,007.26 = 706.05/x
  3. Step 3: Cross multiply
    2,004.57x = 3,007.26 × 706.05
  4. Step 4: Simplify right side
    2,004.57x = 2,123,275.92
  5. Step 5: Solve for x
    x = 2,123,275.92/2,004.57
  6. Step 6: Final answer
    x = 1,059.22

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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.