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Finding the Fourth Proportional to 7,544.36, 11,334.99 and 7,124.73

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Solution

The fourth proportional to 7,544.36, 11,334.99 and 7,124.73 is: 10,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.36 : 11,334.99 = 7,124.73 : x
  2. Step 2: Convert to fraction form
    7,544.36/11,334.99 = 7,124.73/x
  3. Step 3: Cross multiply
    7,544.36x = 11,334.99 × 7,124.73
  4. Step 4: Simplify right side
    7,544.36x = 80,758,659.91
  5. Step 5: Solve for x
    x = 80,758,659.91/7,544.36
  6. Step 6: Final answer
    x = 10,704.51

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.