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Finding the Fourth Proportional to 26,704.59, 40,021.85 and 19,651.59

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Solution

The fourth proportional to 26,704.59, 40,021.85 and 19,651.59 is: 29,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,704.59 : 40,021.85 = 19,651.59 : x
  2. Step 2: Convert to fraction form
    26,704.59/40,021.85 = 19,651.59/x
  3. Step 3: Cross multiply
    26,704.59x = 40,021.85 × 19,651.59
  4. Step 4: Simplify right side
    26,704.59x = 786,492,888.98
  5. Step 5: Solve for x
    x = 786,492,888.98/26,704.59
  6. Step 6: Final answer
    x = 29,451.60

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1.5x scale

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.