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Finding the Fourth Proportional to 6,614.52, 9,128 and 3,670.52

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Solution

The fourth proportional to 6,614.52, 9,128 and 3,670.52 is: 5,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.52 : 9,128 = 3,670.52 : x
  2. Step 2: Convert to fraction form
    6,614.52/9,128 = 3,670.52/x
  3. Step 3: Cross multiply
    6,614.52x = 9,128 × 3,670.52
  4. Step 4: Simplify right side
    6,614.52x = 33,504,506.56
  5. Step 5: Solve for x
    x = 33,504,506.56/6,614.52
  6. Step 6: Final answer
    x = 5,065.30

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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.