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Finding the Fourth Proportional to 9,652.69, 13,324.62 and 8,168.32

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Solution

The fourth proportional to 9,652.69, 13,324.62 and 8,168.32 is: 11,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,652.69 : 13,324.62 = 8,168.32 : x
  2. Step 2: Convert to fraction form
    9,652.69/13,324.62 = 8,168.32/x
  3. Step 3: Cross multiply
    9,652.69x = 13,324.62 × 8,168.32
  4. Step 4: Simplify right side
    9,652.69x = 108,839,760.04
  5. Step 5: Solve for x
    x = 108,839,760.04/9,652.69
  6. Step 6: Final answer
    x = 11,275.59

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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.