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Finding the Fourth Proportional to 9,473.22, 13,066.29 and 8,212.02

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Solution

The fourth proportional to 9,473.22, 13,066.29 and 8,212.02 is: 11,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,473.22 : 13,066.29 = 8,212.02 : x
  2. Step 2: Convert to fraction form
    9,473.22/13,066.29 = 8,212.02/x
  3. Step 3: Cross multiply
    9,473.22x = 13,066.29 × 8,212.02
  4. Step 4: Simplify right side
    9,473.22x = 107,300,634.81
  5. Step 5: Solve for x
    x = 107,300,634.81/9,473.22
  6. Step 6: Final answer
    x = 11,326.73

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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.