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Finding the Fourth Proportional to 7,396.03, 10,994.18 and 7,174.90

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Solution

The fourth proportional to 7,396.03, 10,994.18 and 7,174.90 is: 10,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.03 : 10,994.18 = 7,174.90 : x
  2. Step 2: Convert to fraction form
    7,396.03/10,994.18 = 7,174.90/x
  3. Step 3: Cross multiply
    7,396.03x = 10,994.18 × 7,174.90
  4. Step 4: Simplify right side
    7,396.03x = 78,882,142.08
  5. Step 5: Solve for x
    x = 78,882,142.08/7,396.03
  6. Step 6: Final answer
    x = 10,665.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.