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Finding the Fourth Proportional to 16,914.45, 23,343.11 and 9,361.10

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Solution

The fourth proportional to 16,914.45, 23,343.11 and 9,361.10 is: 12,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,914.45 : 23,343.11 = 9,361.10 : x
  2. Step 2: Convert to fraction form
    16,914.45/23,343.11 = 9,361.10/x
  3. Step 3: Cross multiply
    16,914.45x = 23,343.11 × 9,361.10
  4. Step 4: Simplify right side
    16,914.45x = 218,517,023.50
  5. Step 5: Solve for x
    x = 218,517,023.50/16,914.45
  6. Step 6: Final answer
    x = 12,918.96

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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.