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Finding the Fourth Proportional to 3,859.92, 5,750.53 and 3,674.03

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Solution

The fourth proportional to 3,859.92, 5,750.53 and 3,674.03 is: 5,473.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.92 : 5,750.53 = 3,674.03 : x
  2. Step 2: Convert to fraction form
    3,859.92/5,750.53 = 3,674.03/x
  3. Step 3: Cross multiply
    3,859.92x = 5,750.53 × 3,674.03
  4. Step 4: Simplify right side
    3,859.92x = 21,127,581.80
  5. Step 5: Solve for x
    x = 21,127,581.80/3,859.92
  6. Step 6: Final answer
    x = 5,473.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.