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Finding the Fourth Proportional to 3,576.69, 5,360.37 and 1,724.01

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Solution

The fourth proportional to 3,576.69, 5,360.37 and 1,724.01 is: 2,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.69 : 5,360.37 = 1,724.01 : x
  2. Step 2: Convert to fraction form
    3,576.69/5,360.37 = 1,724.01/x
  3. Step 3: Cross multiply
    3,576.69x = 5,360.37 × 1,724.01
  4. Step 4: Simplify right side
    3,576.69x = 9,241,331.48
  5. Step 5: Solve for x
    x = 9,241,331.48/3,576.69
  6. Step 6: Final answer
    x = 2,583.77

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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.