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Finding the Fourth Proportional to 16,962.99, 23,409.30 and 9,409.07

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Solution

The fourth proportional to 16,962.99, 23,409.30 and 9,409.07 is: 12,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,962.99 : 23,409.30 = 9,409.07 : x
  2. Step 2: Convert to fraction form
    16,962.99/23,409.30 = 9,409.07/x
  3. Step 3: Cross multiply
    16,962.99x = 23,409.30 × 9,409.07
  4. Step 4: Simplify right side
    16,962.99x = 220,259,765.59
  5. Step 5: Solve for x
    x = 220,259,765.59/16,962.99
  6. Step 6: Final answer
    x = 12,984.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.