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Finding the Fourth Proportional to 16,202.69, 24,268.79 and 7,865.12

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Solution

The fourth proportional to 16,202.69, 24,268.79 and 7,865.12 is: 11,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,202.69 : 24,268.79 = 7,865.12 : x
  2. Step 2: Convert to fraction form
    16,202.69/24,268.79 = 7,865.12/x
  3. Step 3: Cross multiply
    16,202.69x = 24,268.79 × 7,865.12
  4. Step 4: Simplify right side
    16,202.69x = 190,876,945.60
  5. Step 5: Solve for x
    x = 190,876,945.60/16,202.69
  6. Step 6: Final answer
    x = 11,780.57

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1.5x scale

Why These Related Problems?

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