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Finding the Fourth Proportional to 6,716.25, 10,025.07 and 6,221.44

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Solution

The fourth proportional to 6,716.25, 10,025.07 and 6,221.44 is: 9,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,716.25 : 10,025.07 = 6,221.44 : x
  2. Step 2: Convert to fraction form
    6,716.25/10,025.07 = 6,221.44/x
  3. Step 3: Cross multiply
    6,716.25x = 10,025.07 × 6,221.44
  4. Step 4: Simplify right side
    6,716.25x = 62,370,369.77
  5. Step 5: Solve for x
    x = 62,370,369.77/6,716.25
  6. Step 6: Final answer
    x = 9,286.49

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