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Finding the Fourth Proportional to 9,469.22, 13,060.76 and 8,208.02

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Solution

The fourth proportional to 9,469.22, 13,060.76 and 8,208.02 is: 11,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,469.22 : 13,060.76 = 8,208.02 : x
  2. Step 2: Convert to fraction form
    9,469.22/13,060.76 = 8,208.02/x
  3. Step 3: Cross multiply
    9,469.22x = 13,060.76 × 8,208.02
  4. Step 4: Simplify right side
    9,469.22x = 107,202,979.30
  5. Step 5: Solve for x
    x = 107,202,979.30/9,469.22
  6. Step 6: Final answer
    x = 11,321.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.