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Finding the Fourth Proportional to 5,668.44, 8,486.88 and 4,277.56

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Solution

The fourth proportional to 5,668.44, 8,486.88 and 4,277.56 is: 6,404.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.44 : 8,486.88 = 4,277.56 : x
  2. Step 2: Convert to fraction form
    5,668.44/8,486.88 = 4,277.56/x
  3. Step 3: Cross multiply
    5,668.44x = 8,486.88 × 4,277.56
  4. Step 4: Simplify right side
    5,668.44x = 36,303,138.41
  5. Step 5: Solve for x
    x = 36,303,138.41/5,668.44
  6. Step 6: Final answer
    x = 6,404.43

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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.