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Finding the Fourth Proportional to 6,691.99, 10,028.76 and 4,828.26

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Solution

The fourth proportional to 6,691.99, 10,028.76 and 4,828.26 is: 7,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.99 : 10,028.76 = 4,828.26 : x
  2. Step 2: Convert to fraction form
    6,691.99/10,028.76 = 4,828.26/x
  3. Step 3: Cross multiply
    6,691.99x = 10,028.76 × 4,828.26
  4. Step 4: Simplify right side
    6,691.99x = 48,421,451.01
  5. Step 5: Solve for x
    x = 48,421,451.01/6,691.99
  6. Step 6: Final answer
    x = 7,235.73

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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.