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Finding the Fourth Proportional to 3,001.84, 4,491.80 and 1,769.84

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Solution

The fourth proportional to 3,001.84, 4,491.80 and 1,769.84 is: 2,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.84 : 4,491.80 = 1,769.84 : x
  2. Step 2: Convert to fraction form
    3,001.84/4,491.80 = 1,769.84/x
  3. Step 3: Cross multiply
    3,001.84x = 4,491.80 × 1,769.84
  4. Step 4: Simplify right side
    3,001.84x = 7,949,767.31
  5. Step 5: Solve for x
    x = 7,949,767.31/3,001.84
  6. Step 6: Final answer
    x = 2,648.30

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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.