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Finding the Fourth Proportional to 7,023.26, 9,693.08 and 4,039.03

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Solution

The fourth proportional to 7,023.26, 9,693.08 and 4,039.03 is: 5,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.26 : 9,693.08 = 4,039.03 : x
  2. Step 2: Convert to fraction form
    7,023.26/9,693.08 = 4,039.03/x
  3. Step 3: Cross multiply
    7,023.26x = 9,693.08 × 4,039.03
  4. Step 4: Simplify right side
    7,023.26x = 39,150,640.91
  5. Step 5: Solve for x
    x = 39,150,640.91/7,023.26
  6. Step 6: Final answer
    x = 5,574.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.