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Finding the Fourth Proportional to 25,946, 38,922.84 and 12,087.44

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Solution

The fourth proportional to 25,946, 38,922.84 and 12,087.44 is: 18,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,946 : 38,922.84 = 12,087.44 : x
  2. Step 2: Convert to fraction form
    25,946/38,922.84 = 12,087.44/x
  3. Step 3: Cross multiply
    25,946x = 38,922.84 × 12,087.44
  4. Step 4: Simplify right side
    25,946x = 470,477,493.13
  5. Step 5: Solve for x
    x = 470,477,493.13/25,946
  6. Step 6: Final answer
    x = 18,132.95

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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.