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Finding the Fourth Proportional to 11,732.28, 17,594.16 and 3,939.28

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Solution

The fourth proportional to 11,732.28, 17,594.16 and 3,939.28 is: 5,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,732.28 : 17,594.16 = 3,939.28 : x
  2. Step 2: Convert to fraction form
    11,732.28/17,594.16 = 3,939.28/x
  3. Step 3: Cross multiply
    11,732.28x = 17,594.16 × 3,939.28
  4. Step 4: Simplify right side
    11,732.28x = 69,308,322.60
  5. Step 5: Solve for x
    x = 69,308,322.60/11,732.28
  6. Step 6: Final answer
    x = 5,907.49

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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.