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Finding the Fourth Proportional to 7,489.58, 11,233.39 and 2,224.49

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Solution

The fourth proportional to 7,489.58, 11,233.39 and 2,224.49 is: 3,336.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.58 : 11,233.39 = 2,224.49 : x
  2. Step 2: Convert to fraction form
    7,489.58/11,233.39 = 2,224.49/x
  3. Step 3: Cross multiply
    7,489.58x = 11,233.39 × 2,224.49
  4. Step 4: Simplify right side
    7,489.58x = 24,988,507.55
  5. Step 5: Solve for x
    x = 24,988,507.55/7,489.58
  6. Step 6: Final answer
    x = 3,336.44

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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.