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Finding the Fourth Proportional to 5,647.52, 7,775.39 and 4,849.27

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Solution

The fourth proportional to 5,647.52, 7,775.39 and 4,849.27 is: 6,676.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.52 : 7,775.39 = 4,849.27 : x
  2. Step 2: Convert to fraction form
    5,647.52/7,775.39 = 4,849.27/x
  3. Step 3: Cross multiply
    5,647.52x = 7,775.39 × 4,849.27
  4. Step 4: Simplify right side
    5,647.52x = 37,704,958.15
  5. Step 5: Solve for x
    x = 37,704,958.15/5,647.52
  6. Step 6: Final answer
    x = 6,676.37

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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.