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Finding the Fourth Proportional to 7,204.44, 9,944.58 and 4,221.22

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Solution

The fourth proportional to 7,204.44, 9,944.58 and 4,221.22 is: 5,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.44 : 9,944.58 = 4,221.22 : x
  2. Step 2: Convert to fraction form
    7,204.44/9,944.58 = 4,221.22/x
  3. Step 3: Cross multiply
    7,204.44x = 9,944.58 × 4,221.22
  4. Step 4: Simplify right side
    7,204.44x = 41,978,259.99
  5. Step 5: Solve for x
    x = 41,978,259.99/7,204.44
  6. Step 6: Final answer
    x = 5,826.72

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