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Finding the Fourth Proportional to 23,321.79, 34,985.12 and 9,996.12

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Solution

The fourth proportional to 23,321.79, 34,985.12 and 9,996.12 is: 14,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,321.79 : 34,985.12 = 9,996.12 : x
  2. Step 2: Convert to fraction form
    23,321.79/34,985.12 = 9,996.12/x
  3. Step 3: Cross multiply
    23,321.79x = 34,985.12 × 9,996.12
  4. Step 4: Simplify right side
    23,321.79x = 349,715,457.73
  5. Step 5: Solve for x
    x = 349,715,457.73/23,321.79
  6. Step 6: Final answer
    x = 14,995.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.