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Finding the Fourth Proportional to 5,319.44, 7,986.22 and 4,544.42

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Solution

The fourth proportional to 5,319.44, 7,986.22 and 4,544.42 is: 6,822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.44 : 7,986.22 = 4,544.42 : x
  2. Step 2: Convert to fraction form
    5,319.44/7,986.22 = 4,544.42/x
  3. Step 3: Cross multiply
    5,319.44x = 7,986.22 × 4,544.42
  4. Step 4: Simplify right side
    5,319.44x = 36,292,729.29
  5. Step 5: Solve for x
    x = 36,292,729.29/5,319.44
  6. Step 6: Final answer
    x = 6,822.67

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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.