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Finding the Fourth Proportional to 5,028.88, 7,536.42 and 3,795.28

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Solution

The fourth proportional to 5,028.88, 7,536.42 and 3,795.28 is: 5,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.88 : 7,536.42 = 3,795.28 : x
  2. Step 2: Convert to fraction form
    5,028.88/7,536.42 = 3,795.28/x
  3. Step 3: Cross multiply
    5,028.88x = 7,536.42 × 3,795.28
  4. Step 4: Simplify right side
    5,028.88x = 28,602,824.10
  5. Step 5: Solve for x
    x = 28,602,824.10/5,028.88
  6. Step 6: Final answer
    x = 5,687.71

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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.