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Finding the Fourth Proportional to 6,992.61, 9,644.76 and 4,007.37

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Solution

The fourth proportional to 6,992.61, 9,644.76 and 4,007.37 is: 5,527.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.61 : 9,644.76 = 4,007.37 : x
  2. Step 2: Convert to fraction form
    6,992.61/9,644.76 = 4,007.37/x
  3. Step 3: Cross multiply
    6,992.61x = 9,644.76 × 4,007.37
  4. Step 4: Simplify right side
    6,992.61x = 38,650,121.88
  5. Step 5: Solve for x
    x = 38,650,121.88/6,992.61
  6. Step 6: Final answer
    x = 5,527.28

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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.