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Finding the Fourth Proportional to 18,800.58, 25,933.41 and 12,427.23

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Solution

The fourth proportional to 18,800.58, 25,933.41 and 12,427.23 is: 17,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.58 : 25,933.41 = 12,427.23 : x
  2. Step 2: Convert to fraction form
    18,800.58/25,933.41 = 12,427.23/x
  3. Step 3: Cross multiply
    18,800.58x = 25,933.41 × 12,427.23
  4. Step 4: Simplify right side
    18,800.58x = 322,280,450.75
  5. Step 5: Solve for x
    x = 322,280,450.75/18,800.58
  6. Step 6: Final answer
    x = 17,142.05

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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.