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Finding the Fourth Proportional to 3,324.23, 4,985.59 and 984.41

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Solution

The fourth proportional to 3,324.23, 4,985.59 and 984.41 is: 1,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.23 : 4,985.59 = 984.41 : x
  2. Step 2: Convert to fraction form
    3,324.23/4,985.59 = 984.41/x
  3. Step 3: Cross multiply
    3,324.23x = 4,985.59 × 984.41
  4. Step 4: Simplify right side
    3,324.23x = 4,907,864.65
  5. Step 5: Solve for x
    x = 4,907,864.65/3,324.23
  6. Step 6: Final answer
    x = 1,476.39

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Similar ratio
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1.5x scale

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.