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Finding the Fourth Proportional to 8,216.25, 12,324.39 and 2,060.25

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Solution

The fourth proportional to 8,216.25, 12,324.39 and 2,060.25 is: 3,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.25 : 12,324.39 = 2,060.25 : x
  2. Step 2: Convert to fraction form
    8,216.25/12,324.39 = 2,060.25/x
  3. Step 3: Cross multiply
    8,216.25x = 12,324.39 × 2,060.25
  4. Step 4: Simplify right side
    8,216.25x = 25,391,324.50
  5. Step 5: Solve for x
    x = 25,391,324.50/8,216.25
  6. Step 6: Final answer
    x = 3,090.38

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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.