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Finding the Fourth Proportional to 6,719.78, 10,073.10 and 3,022.94

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Solution

The fourth proportional to 6,719.78, 10,073.10 and 3,022.94 is: 4,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.78 : 10,073.10 = 3,022.94 : x
  2. Step 2: Convert to fraction form
    6,719.78/10,073.10 = 3,022.94/x
  3. Step 3: Cross multiply
    6,719.78x = 10,073.10 × 3,022.94
  4. Step 4: Simplify right side
    6,719.78x = 30,450,376.91
  5. Step 5: Solve for x
    x = 30,450,376.91/6,719.78
  6. Step 6: Final answer
    x = 4,531.45

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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.