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Finding the Fourth Proportional to 6,650.32, 9,976.76 and 2,546

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Solution

The fourth proportional to 6,650.32, 9,976.76 and 2,546 is: 3,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.32 : 9,976.76 = 2,546 : x
  2. Step 2: Convert to fraction form
    6,650.32/9,976.76 = 2,546/x
  3. Step 3: Cross multiply
    6,650.32x = 9,976.76 × 2,546
  4. Step 4: Simplify right side
    6,650.32x = 25,400,830.96
  5. Step 5: Solve for x
    x = 25,400,830.96/6,650.32
  6. Step 6: Final answer
    x = 3,819.49

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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.