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Finding the Fourth Proportional to 8,805.49, 13,208.24 and 2,231.67

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Solution

The fourth proportional to 8,805.49, 13,208.24 and 2,231.67 is: 3,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.49 : 13,208.24 = 2,231.67 : x
  2. Step 2: Convert to fraction form
    8,805.49/13,208.24 = 2,231.67/x
  3. Step 3: Cross multiply
    8,805.49x = 13,208.24 × 2,231.67
  4. Step 4: Simplify right side
    8,805.49x = 29,476,438.54
  5. Step 5: Solve for x
    x = 29,476,438.54/8,805.49
  6. Step 6: Final answer
    x = 3,347.51

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.