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Finding the Fourth Proportional to 5,369.78, 7,410.75 and 3,275.12

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Solution

The fourth proportional to 5,369.78, 7,410.75 and 3,275.12 is: 4,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.78 : 7,410.75 = 3,275.12 : x
  2. Step 2: Convert to fraction form
    5,369.78/7,410.75 = 3,275.12/x
  3. Step 3: Cross multiply
    5,369.78x = 7,410.75 × 3,275.12
  4. Step 4: Simplify right side
    5,369.78x = 24,271,095.54
  5. Step 5: Solve for x
    x = 24,271,095.54/5,369.78
  6. Step 6: Final answer
    x = 4,519.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.