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Finding the Fourth Proportional to 4,995.07, 7,474.07 and 4,004.88

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Solution

The fourth proportional to 4,995.07, 7,474.07 and 4,004.88 is: 5,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.07 : 7,474.07 = 4,004.88 : x
  2. Step 2: Convert to fraction form
    4,995.07/7,474.07 = 4,004.88/x
  3. Step 3: Cross multiply
    4,995.07x = 7,474.07 × 4,004.88
  4. Step 4: Simplify right side
    4,995.07x = 29,932,735.45
  5. Step 5: Solve for x
    x = 29,932,735.45/4,995.07
  6. Step 6: Final answer
    x = 5,992.46

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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.