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Finding the Fourth Proportional to 12,496.69, 18,745.04 and 5,003.62

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Solution

The fourth proportional to 12,496.69, 18,745.04 and 5,003.62 is: 7,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.69 : 18,745.04 = 5,003.62 : x
  2. Step 2: Convert to fraction form
    12,496.69/18,745.04 = 5,003.62/x
  3. Step 3: Cross multiply
    12,496.69x = 18,745.04 × 5,003.62
  4. Step 4: Simplify right side
    12,496.69x = 93,793,102.32
  5. Step 5: Solve for x
    x = 93,793,102.32/12,496.69
  6. Step 6: Final answer
    x = 7,505.43

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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.