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Finding the Fourth Proportional to 9,793.64, 13,519.08 and 6,608.81

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Solution

The fourth proportional to 9,793.64, 13,519.08 and 6,608.81 is: 9,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.64 : 13,519.08 = 6,608.81 : x
  2. Step 2: Convert to fraction form
    9,793.64/13,519.08 = 6,608.81/x
  3. Step 3: Cross multiply
    9,793.64x = 13,519.08 × 6,608.81
  4. Step 4: Simplify right side
    9,793.64x = 89,345,064.89
  5. Step 5: Solve for x
    x = 89,345,064.89/9,793.64
  6. Step 6: Final answer
    x = 9,122.76

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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.