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Finding the Fourth Proportional to 5,778.72, 8,651.68 and 4,750.88

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Solution

The fourth proportional to 5,778.72, 8,651.68 and 4,750.88 is: 7,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.72 : 8,651.68 = 4,750.88 : x
  2. Step 2: Convert to fraction form
    5,778.72/8,651.68 = 4,750.88/x
  3. Step 3: Cross multiply
    5,778.72x = 8,651.68 × 4,750.88
  4. Step 4: Simplify right side
    5,778.72x = 41,103,093.48
  5. Step 5: Solve for x
    x = 41,103,093.48/5,778.72
  6. Step 6: Final answer
    x = 7,112.84

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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.