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Finding the Fourth Proportional to 2,984.65, 4,476.62 and 793.54

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Solution

The fourth proportional to 2,984.65, 4,476.62 and 793.54 is: 1,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.65 : 4,476.62 = 793.54 : x
  2. Step 2: Convert to fraction form
    2,984.65/4,476.62 = 793.54/x
  3. Step 3: Cross multiply
    2,984.65x = 4,476.62 × 793.54
  4. Step 4: Simplify right side
    2,984.65x = 3,552,377.03
  5. Step 5: Solve for x
    x = 3,552,377.03/2,984.65
  6. Step 6: Final answer
    x = 1,190.22

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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.