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Finding the Fourth Proportional to 6,651.15, 9,976.93 and 2,490.36

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Solution

The fourth proportional to 6,651.15, 9,976.93 and 2,490.36 is: 3,735.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.15 : 9,976.93 = 2,490.36 : x
  2. Step 2: Convert to fraction form
    6,651.15/9,976.93 = 2,490.36/x
  3. Step 3: Cross multiply
    6,651.15x = 9,976.93 × 2,490.36
  4. Step 4: Simplify right side
    6,651.15x = 24,846,166.88
  5. Step 5: Solve for x
    x = 24,846,166.88/6,651.15
  6. Step 6: Final answer
    x = 3,735.62

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1.5x scale

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.