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Finding the Fourth Proportional to 14,361.99, 19,813.46 and 8,769.75

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Solution

The fourth proportional to 14,361.99, 19,813.46 and 8,769.75 is: 12,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.99 : 19,813.46 = 8,769.75 : x
  2. Step 2: Convert to fraction form
    14,361.99/19,813.46 = 8,769.75/x
  3. Step 3: Cross multiply
    14,361.99x = 19,813.46 × 8,769.75
  4. Step 4: Simplify right side
    14,361.99x = 173,759,046.99
  5. Step 5: Solve for x
    x = 173,759,046.99/14,361.99
  6. Step 6: Final answer
    x = 12,098.54

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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.