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Finding the Fourth Proportional to 5,330.78, 7,356.52 and 3,094

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Solution

The fourth proportional to 5,330.78, 7,356.52 and 3,094 is: 4,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.78 : 7,356.52 = 3,094 : x
  2. Step 2: Convert to fraction form
    5,330.78/7,356.52 = 3,094/x
  3. Step 3: Cross multiply
    5,330.78x = 7,356.52 × 3,094
  4. Step 4: Simplify right side
    5,330.78x = 22,761,072.88
  5. Step 5: Solve for x
    x = 22,761,072.88/5,330.78
  6. Step 6: Final answer
    x = 4,269.75

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Why These Related Problems?

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