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Finding the Fourth Proportional to 9,062.26, 12,493.08 and 8,005.20

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Solution

The fourth proportional to 9,062.26, 12,493.08 and 8,005.20 is: 11,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,062.26 : 12,493.08 = 8,005.20 : x
  2. Step 2: Convert to fraction form
    9,062.26/12,493.08 = 8,005.20/x
  3. Step 3: Cross multiply
    9,062.26x = 12,493.08 × 8,005.20
  4. Step 4: Simplify right side
    9,062.26x = 100,009,604.02
  5. Step 5: Solve for x
    x = 100,009,604.02/9,062.26
  6. Step 6: Final answer
    x = 11,035.83

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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.