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Finding the Fourth Proportional to 4,864.74, 7,296.81 and 1,940.94

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Solution

The fourth proportional to 4,864.74, 7,296.81 and 1,940.94 is: 2,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,864.74 : 7,296.81 = 1,940.94 : x
  2. Step 2: Convert to fraction form
    4,864.74/7,296.81 = 1,940.94/x
  3. Step 3: Cross multiply
    4,864.74x = 7,296.81 × 1,940.94
  4. Step 4: Simplify right side
    4,864.74x = 14,162,670.40
  5. Step 5: Solve for x
    x = 14,162,670.40/4,864.74
  6. Step 6: Final answer
    x = 2,911.29

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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.