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Finding the Fourth Proportional to 9,249.68, 12,766.12 and 7,275.26

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Solution

The fourth proportional to 9,249.68, 12,766.12 and 7,275.26 is: 10,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.68 : 12,766.12 = 7,275.26 : x
  2. Step 2: Convert to fraction form
    9,249.68/12,766.12 = 7,275.26/x
  3. Step 3: Cross multiply
    9,249.68x = 12,766.12 × 7,275.26
  4. Step 4: Simplify right side
    9,249.68x = 92,876,842.19
  5. Step 5: Solve for x
    x = 92,876,842.19/9,249.68
  6. Step 6: Final answer
    x = 10,041.09

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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.