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Finding the Fourth Proportional to 5,527.36, 7,627.36 and 3,169.44

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Solution

The fourth proportional to 5,527.36, 7,627.36 and 3,169.44 is: 4,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.36 : 7,627.36 = 3,169.44 : x
  2. Step 2: Convert to fraction form
    5,527.36/7,627.36 = 3,169.44/x
  3. Step 3: Cross multiply
    5,527.36x = 7,627.36 × 3,169.44
  4. Step 4: Simplify right side
    5,527.36x = 24,174,459.88
  5. Step 5: Solve for x
    x = 24,174,459.88/5,527.36
  6. Step 6: Final answer
    x = 4,373.60

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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.