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Finding the Fourth Proportional to 19,596.73, 29,374.96 and 7,745.68

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Solution

The fourth proportional to 19,596.73, 29,374.96 and 7,745.68 is: 11,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,596.73 : 29,374.96 = 7,745.68 : x
  2. Step 2: Convert to fraction form
    19,596.73/29,374.96 = 7,745.68/x
  3. Step 3: Cross multiply
    19,596.73x = 29,374.96 × 7,745.68
  4. Step 4: Simplify right side
    19,596.73x = 227,529,040.17
  5. Step 5: Solve for x
    x = 227,529,040.17/19,596.73
  6. Step 6: Final answer
    x = 11,610.56

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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.