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Finding the Fourth Proportional to 3,309.42, 4,963.69 and 844.26

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Solution

The fourth proportional to 3,309.42, 4,963.69 and 844.26 is: 1,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.42 : 4,963.69 = 844.26 : x
  2. Step 2: Convert to fraction form
    3,309.42/4,963.69 = 844.26/x
  3. Step 3: Cross multiply
    3,309.42x = 4,963.69 × 844.26
  4. Step 4: Simplify right side
    3,309.42x = 4,190,627.36
  5. Step 5: Solve for x
    x = 4,190,627.36/3,309.42
  6. Step 6: Final answer
    x = 1,266.27

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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.