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Finding the Fourth Proportional to 8,940.70, 13,408.01 and 3,095.94

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Solution

The fourth proportional to 8,940.70, 13,408.01 and 3,095.94 is: 4,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.70 : 13,408.01 = 3,095.94 : x
  2. Step 2: Convert to fraction form
    8,940.70/13,408.01 = 3,095.94/x
  3. Step 3: Cross multiply
    8,940.70x = 13,408.01 × 3,095.94
  4. Step 4: Simplify right side
    8,940.70x = 41,510,345.48
  5. Step 5: Solve for x
    x = 41,510,345.48/8,940.70
  6. Step 6: Final answer
    x = 4,642.85

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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.