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Finding the Fourth Proportional to 6,656.44, 9,984.74 and 3,192.88

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Solution

The fourth proportional to 6,656.44, 9,984.74 and 3,192.88 is: 4,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.44 : 9,984.74 = 3,192.88 : x
  2. Step 2: Convert to fraction form
    6,656.44/9,984.74 = 3,192.88/x
  3. Step 3: Cross multiply
    6,656.44x = 9,984.74 × 3,192.88
  4. Step 4: Simplify right side
    6,656.44x = 31,880,076.65
  5. Step 5: Solve for x
    x = 31,880,076.65/6,656.44
  6. Step 6: Final answer
    x = 4,789.36

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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.