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Finding the Fourth Proportional to 5,845.44, 8,778.24 and 4,290.24

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Solution

The fourth proportional to 5,845.44, 8,778.24 and 4,290.24 is: 6,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.44 : 8,778.24 = 4,290.24 : x
  2. Step 2: Convert to fraction form
    5,845.44/8,778.24 = 4,290.24/x
  3. Step 3: Cross multiply
    5,845.44x = 8,778.24 × 4,290.24
  4. Step 4: Simplify right side
    5,845.44x = 37,660,756.38
  5. Step 5: Solve for x
    x = 37,660,756.38/5,845.44
  6. Step 6: Final answer
    x = 6,442.76

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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.