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Finding the Fourth Proportional to 6,620.14, 9,934.40 and 3,700.36

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Solution

The fourth proportional to 6,620.14, 9,934.40 and 3,700.36 is: 5,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.14 : 9,934.40 = 3,700.36 : x
  2. Step 2: Convert to fraction form
    6,620.14/9,934.40 = 3,700.36/x
  3. Step 3: Cross multiply
    6,620.14x = 9,934.40 × 3,700.36
  4. Step 4: Simplify right side
    6,620.14x = 36,760,837.88
  5. Step 5: Solve for x
    x = 36,760,837.88/6,620.14
  6. Step 6: Final answer
    x = 5,552.88

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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.