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Finding the Fourth Proportional to 6,663.24, 9,976.36 and 4,325.96

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Solution

The fourth proportional to 6,663.24, 9,976.36 and 4,325.96 is: 6,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.24 : 9,976.36 = 4,325.96 : x
  2. Step 2: Convert to fraction form
    6,663.24/9,976.36 = 4,325.96/x
  3. Step 3: Cross multiply
    6,663.24x = 9,976.36 × 4,325.96
  4. Step 4: Simplify right side
    6,663.24x = 43,157,334.31
  5. Step 5: Solve for x
    x = 43,157,334.31/6,663.24
  6. Step 6: Final answer
    x = 6,476.93

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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.