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Finding the Fourth Proportional to 9,350.84, 12,805.90 and 9,227.82

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Solution

The fourth proportional to 9,350.84, 12,805.90 and 9,227.82 is: 12,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.84 : 12,805.90 = 9,227.82 : x
  2. Step 2: Convert to fraction form
    9,350.84/12,805.90 = 9,227.82/x
  3. Step 3: Cross multiply
    9,350.84x = 12,805.90 × 9,227.82
  4. Step 4: Simplify right side
    9,350.84x = 118,170,565.09
  5. Step 5: Solve for x
    x = 118,170,565.09/9,350.84
  6. Step 6: Final answer
    x = 12,637.42

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.