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Finding the Fourth Proportional to 5,466.44, 7,525.44 and 5,215.37

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Solution

The fourth proportional to 5,466.44, 7,525.44 and 5,215.37 is: 7,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466.44 : 7,525.44 = 5,215.37 : x
  2. Step 2: Convert to fraction form
    5,466.44/7,525.44 = 5,215.37/x
  3. Step 3: Cross multiply
    5,466.44x = 7,525.44 × 5,215.37
  4. Step 4: Simplify right side
    5,466.44x = 39,247,909.12
  5. Step 5: Solve for x
    x = 39,247,909.12/5,466.44
  6. Step 6: Final answer
    x = 7,179.80

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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.