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Finding the Fourth Proportional to 3,324.98, 4,981.08 and 1,859.69

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Solution

The fourth proportional to 3,324.98, 4,981.08 and 1,859.69 is: 2,785.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.98 : 4,981.08 = 1,859.69 : x
  2. Step 2: Convert to fraction form
    3,324.98/4,981.08 = 1,859.69/x
  3. Step 3: Cross multiply
    3,324.98x = 4,981.08 × 1,859.69
  4. Step 4: Simplify right side
    3,324.98x = 9,263,264.67
  5. Step 5: Solve for x
    x = 9,263,264.67/3,324.98
  6. Step 6: Final answer
    x = 2,785.96

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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.