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Finding the Fourth Proportional to 17,745.99, 24,489.36 and 9,679.60

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Solution

The fourth proportional to 17,745.99, 24,489.36 and 9,679.60 is: 13,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.99 : 24,489.36 = 9,679.60 : x
  2. Step 2: Convert to fraction form
    17,745.99/24,489.36 = 9,679.60/x
  3. Step 3: Cross multiply
    17,745.99x = 24,489.36 × 9,679.60
  4. Step 4: Simplify right side
    17,745.99x = 237,047,266.89
  5. Step 5: Solve for x
    x = 237,047,266.89/17,745.99
  6. Step 6: Final answer
    x = 13,357.80

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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.