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Finding the Fourth Proportional to 5,556.44, 7,635.82 and 5,299.46

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Solution

The fourth proportional to 5,556.44, 7,635.82 and 5,299.46 is: 7,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.44 : 7,635.82 = 5,299.46 : x
  2. Step 2: Convert to fraction form
    5,556.44/7,635.82 = 5,299.46/x
  3. Step 3: Cross multiply
    5,556.44x = 7,635.82 × 5,299.46
  4. Step 4: Simplify right side
    5,556.44x = 40,465,722.66
  5. Step 5: Solve for x
    x = 40,465,722.66/5,556.44
  6. Step 6: Final answer
    x = 7,282.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.