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Finding the Fourth Proportional to 7,165.33, 10,747.48 and 1,900.22

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Solution

The fourth proportional to 7,165.33, 10,747.48 and 1,900.22 is: 2,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.33 : 10,747.48 = 1,900.22 : x
  2. Step 2: Convert to fraction form
    7,165.33/10,747.48 = 1,900.22/x
  3. Step 3: Cross multiply
    7,165.33x = 10,747.48 × 1,900.22
  4. Step 4: Simplify right side
    7,165.33x = 20,422,576.45
  5. Step 5: Solve for x
    x = 20,422,576.45/7,165.33
  6. Step 6: Final answer
    x = 2,850.19

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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.