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Finding the Fourth Proportional to 2,943.88, 4,416.84 and 1,481.84

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Solution

The fourth proportional to 2,943.88, 4,416.84 and 1,481.84 is: 2,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.88 : 4,416.84 = 1,481.84 : x
  2. Step 2: Convert to fraction form
    2,943.88/4,416.84 = 1,481.84/x
  3. Step 3: Cross multiply
    2,943.88x = 4,416.84 × 1,481.84
  4. Step 4: Simplify right side
    2,943.88x = 6,545,050.19
  5. Step 5: Solve for x
    x = 6,545,050.19/2,943.88
  6. Step 6: Final answer
    x = 2,223.27

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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.