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Finding the Fourth Proportional to 3,673.66, 5,510.43 and 1,724.48

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Solution

The fourth proportional to 3,673.66, 5,510.43 and 1,724.48 is: 2,586.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.66 : 5,510.43 = 1,724.48 : x
  2. Step 2: Convert to fraction form
    3,673.66/5,510.43 = 1,724.48/x
  3. Step 3: Cross multiply
    3,673.66x = 5,510.43 × 1,724.48
  4. Step 4: Simplify right side
    3,673.66x = 9,502,626.33
  5. Step 5: Solve for x
    x = 9,502,626.33/3,673.66
  6. Step 6: Final answer
    x = 2,586.69

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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.