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Finding the Fourth Proportional to 16,813.52, 23,202.72 and 9,361.52

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Solution

The fourth proportional to 16,813.52, 23,202.72 and 9,361.52 is: 12,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.52 : 23,202.72 = 9,361.52 : x
  2. Step 2: Convert to fraction form
    16,813.52/23,202.72 = 9,361.52/x
  3. Step 3: Cross multiply
    16,813.52x = 23,202.72 × 9,361.52
  4. Step 4: Simplify right side
    16,813.52x = 217,212,727.33
  5. Step 5: Solve for x
    x = 217,212,727.33/16,813.52
  6. Step 6: Final answer
    x = 12,918.93

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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.