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Finding the Fourth Proportional to 3,556.98, 5,341.23 and 3,407.22

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Solution

The fourth proportional to 3,556.98, 5,341.23 and 3,407.22 is: 5,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.98 : 5,341.23 = 3,407.22 : x
  2. Step 2: Convert to fraction form
    3,556.98/5,341.23 = 3,407.22/x
  3. Step 3: Cross multiply
    3,556.98x = 5,341.23 × 3,407.22
  4. Step 4: Simplify right side
    3,556.98x = 18,198,745.68
  5. Step 5: Solve for x
    x = 18,198,745.68/3,556.98
  6. Step 6: Final answer
    x = 5,116.35

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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.