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Finding the Fourth Proportional to 8,324.01, 12,485.97 and 3,393.63

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Solution

The fourth proportional to 8,324.01, 12,485.97 and 3,393.63 is: 5,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.01 : 12,485.97 = 3,393.63 : x
  2. Step 2: Convert to fraction form
    8,324.01/12,485.97 = 3,393.63/x
  3. Step 3: Cross multiply
    8,324.01x = 12,485.97 × 3,393.63
  4. Step 4: Simplify right side
    8,324.01x = 42,372,762.37
  5. Step 5: Solve for x
    x = 42,372,762.37/8,324.01
  6. Step 6: Final answer
    x = 5,090.43

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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.