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Finding the Fourth Proportional to 16,993,713.19, 25,490,748.57 and 13,603,550.98

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Solution

The fourth proportional to 16,993,713.19, 25,490,748.57 and 13,603,550.98 is: 20,405,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993,713.19 : 25,490,748.57 = 13,603,550.98 : x
  2. Step 2: Convert to fraction form
    16,993,713.19/25,490,748.57 = 13,603,550.98/x
  3. Step 3: Cross multiply
    16,993,713.19x = 25,490,748.57 × 13,603,550.98
  4. Step 4: Simplify right side
    16,993,713.19x = 346,764,697,690,357.12
  5. Step 5: Solve for x
    x = 346,764,697,690,357.12/16,993,713.19
  6. Step 6: Final answer
    x = 20,405,469.59

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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.