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Finding the Fourth Proportional to 25,917, 35,769.78 and 19,618.44

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Solution

The fourth proportional to 25,917, 35,769.78 and 19,618.44 is: 27,076.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,917 : 35,769.78 = 19,618.44 : x
  2. Step 2: Convert to fraction form
    25,917/35,769.78 = 19,618.44/x
  3. Step 3: Cross multiply
    25,917x = 35,769.78 × 19,618.44
  4. Step 4: Simplify right side
    25,917x = 701,747,282.74
  5. Step 5: Solve for x
    x = 701,747,282.74/25,917
  6. Step 6: Final answer
    x = 27,076.72

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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.