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Finding the Fourth Proportional to 7,968.88, 10,997.04 and 4,432.44

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Solution

The fourth proportional to 7,968.88, 10,997.04 and 4,432.44 is: 6,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.88 : 10,997.04 = 4,432.44 : x
  2. Step 2: Convert to fraction form
    7,968.88/10,997.04 = 4,432.44/x
  3. Step 3: Cross multiply
    7,968.88x = 10,997.04 × 4,432.44
  4. Step 4: Simplify right side
    7,968.88x = 48,743,719.98
  5. Step 5: Solve for x
    x = 48,743,719.98/7,968.88
  6. Step 6: Final answer
    x = 6,116.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.