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Finding the Fourth Proportional to 25,912.72, 38,860.88 and 17,194

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Solution

The fourth proportional to 25,912.72, 38,860.88 and 17,194 is: 25,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.72 : 38,860.88 = 17,194 : x
  2. Step 2: Convert to fraction form
    25,912.72/38,860.88 = 17,194/x
  3. Step 3: Cross multiply
    25,912.72x = 38,860.88 × 17,194
  4. Step 4: Simplify right side
    25,912.72x = 668,173,970.72
  5. Step 5: Solve for x
    x = 668,173,970.72/25,912.72
  6. Step 6: Final answer
    x = 25,785.56

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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.