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Finding the Fourth Proportional to 6,343.98, 8,748.91 and 5,447.44

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Solution

The fourth proportional to 6,343.98, 8,748.91 and 5,447.44 is: 7,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.98 : 8,748.91 = 5,447.44 : x
  2. Step 2: Convert to fraction form
    6,343.98/8,748.91 = 5,447.44/x
  3. Step 3: Cross multiply
    6,343.98x = 8,748.91 × 5,447.44
  4. Step 4: Simplify right side
    6,343.98x = 47,659,126.80
  5. Step 5: Solve for x
    x = 47,659,126.80/6,343.98
  6. Step 6: Final answer
    x = 7,512.50

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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.