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Finding the Fourth Proportional to 25,791.69, 35,608.07 and 16,854.15

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Solution

The fourth proportional to 25,791.69, 35,608.07 and 16,854.15 is: 23,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,791.69 : 35,608.07 = 16,854.15 : x
  2. Step 2: Convert to fraction form
    25,791.69/35,608.07 = 16,854.15/x
  3. Step 3: Cross multiply
    25,791.69x = 35,608.07 × 16,854.15
  4. Step 4: Simplify right side
    25,791.69x = 600,143,752.99
  5. Step 5: Solve for x
    x = 600,143,752.99/25,791.69
  6. Step 6: Final answer
    x = 23,268.88

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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.