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Finding the Fourth Proportional to 7,375.80, 11,063.70 and 7,035.60

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Solution

The fourth proportional to 7,375.80, 11,063.70 and 7,035.60 is: 10,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.80 : 11,063.70 = 7,035.60 : x
  2. Step 2: Convert to fraction form
    7,375.80/11,063.70 = 7,035.60/x
  3. Step 3: Cross multiply
    7,375.80x = 11,063.70 × 7,035.60
  4. Step 4: Simplify right side
    7,375.80x = 77,839,767.72
  5. Step 5: Solve for x
    x = 77,839,767.72/7,375.80
  6. Step 6: Final answer
    x = 10,553.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.