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Finding the Fourth Proportional to 7,396.98, 11,097.70 and 4,276.28

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Solution

The fourth proportional to 7,396.98, 11,097.70 and 4,276.28 is: 6,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.98 : 11,097.70 = 4,276.28 : x
  2. Step 2: Convert to fraction form
    7,396.98/11,097.70 = 4,276.28/x
  3. Step 3: Cross multiply
    7,396.98x = 11,097.70 × 4,276.28
  4. Step 4: Simplify right side
    7,396.98x = 47,456,872.56
  5. Step 5: Solve for x
    x = 47,456,872.56/7,396.98
  6. Step 6: Final answer
    x = 6,415.71

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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.