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Finding the Fourth Proportional to 5,755.44, 7,943.22 and 3,516.84

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Solution

The fourth proportional to 5,755.44, 7,943.22 and 3,516.84 is: 4,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.44 : 7,943.22 = 3,516.84 : x
  2. Step 2: Convert to fraction form
    5,755.44/7,943.22 = 3,516.84/x
  3. Step 3: Cross multiply
    5,755.44x = 7,943.22 × 3,516.84
  4. Step 4: Simplify right side
    5,755.44x = 27,935,033.82
  5. Step 5: Solve for x
    x = 27,935,033.82/5,755.44
  6. Step 6: Final answer
    x = 4,853.67

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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.