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Finding the Fourth Proportional to 6,649.22, 9,975.04 and 2,753.92

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Solution

The fourth proportional to 6,649.22, 9,975.04 and 2,753.92 is: 4,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649.22 : 9,975.04 = 2,753.92 : x
  2. Step 2: Convert to fraction form
    6,649.22/9,975.04 = 2,753.92/x
  3. Step 3: Cross multiply
    6,649.22x = 9,975.04 × 2,753.92
  4. Step 4: Simplify right side
    6,649.22x = 27,470,462.16
  5. Step 5: Solve for x
    x = 27,470,462.16/6,649.22
  6. Step 6: Final answer
    x = 4,131.38

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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.