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Finding the Fourth Proportional to 18,604.99, 25,675.34 and 10,107.11

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Solution

The fourth proportional to 18,604.99, 25,675.34 and 10,107.11 is: 13,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.99 : 25,675.34 = 10,107.11 : x
  2. Step 2: Convert to fraction form
    18,604.99/25,675.34 = 10,107.11/x
  3. Step 3: Cross multiply
    18,604.99x = 25,675.34 × 10,107.11
  4. Step 4: Simplify right side
    18,604.99x = 259,503,485.67
  5. Step 5: Solve for x
    x = 259,503,485.67/18,604.99
  6. Step 6: Final answer
    x = 13,948.06

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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.