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Finding the Fourth Proportional to 16,994,260.15, 25,491,367.04 and 7,891,380.11

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Solution

The fourth proportional to 16,994,260.15, 25,491,367.04 and 7,891,380.11 is: 11,837,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,994,260.15 : 25,491,367.04 = 7,891,380.11 : x
  2. Step 2: Convert to fraction form
    16,994,260.15/25,491,367.04 = 7,891,380.11/x
  3. Step 3: Cross multiply
    16,994,260.15x = 25,491,367.04 × 7,891,380.11
  4. Step 4: Simplify right side
    16,994,260.15x = 201,162,066,860,437.09
  5. Step 5: Solve for x
    x = 201,162,066,860,437.09/16,994,260.15
  6. Step 6: Final answer
    x = 11,837,059.40

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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.