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Finding the Fourth Proportional to 16,923, 23,352.62 and 9,368.90

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Solution

The fourth proportional to 16,923, 23,352.62 and 9,368.90 is: 12,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,923 : 23,352.62 = 9,368.90 : x
  2. Step 2: Convert to fraction form
    16,923/23,352.62 = 9,368.90/x
  3. Step 3: Cross multiply
    16,923x = 23,352.62 × 9,368.90
  4. Step 4: Simplify right side
    16,923x = 218,788,361.52
  5. Step 5: Solve for x
    x = 218,788,361.52/16,923
  6. Step 6: Final answer
    x = 12,928.46

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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.