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Finding the Fourth Proportional to 5,527.96, 7,628.10 and 3,169.96

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Solution

The fourth proportional to 5,527.96, 7,628.10 and 3,169.96 is: 4,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.96 : 7,628.10 = 3,169.96 : x
  2. Step 2: Convert to fraction form
    5,527.96/7,628.10 = 3,169.96/x
  3. Step 3: Cross multiply
    5,527.96x = 7,628.10 × 3,169.96
  4. Step 4: Simplify right side
    5,527.96x = 24,180,771.88
  5. Step 5: Solve for x
    x = 24,180,771.88/5,527.96
  6. Step 6: Final answer
    x = 4,374.27

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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.