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Finding the Fourth Proportional to 25,883.76, 35,672.22 and 18,797.88

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Solution

The fourth proportional to 25,883.76, 35,672.22 and 18,797.88 is: 25,906.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,883.76 : 35,672.22 = 18,797.88 : x
  2. Step 2: Convert to fraction form
    25,883.76/35,672.22 = 18,797.88/x
  3. Step 3: Cross multiply
    25,883.76x = 35,672.22 × 18,797.88
  4. Step 4: Simplify right side
    25,883.76x = 670,562,110.89
  5. Step 5: Solve for x
    x = 670,562,110.89/25,883.76
  6. Step 6: Final answer
    x = 25,906.67

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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.