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Finding the Fourth Proportional to 6,913.67, 10,361.79 and 3,751.00

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Solution

The fourth proportional to 6,913.67, 10,361.79 and 3,751.00 is: 5,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.67 : 10,361.79 = 3,751.00 : x
  2. Step 2: Convert to fraction form
    6,913.67/10,361.79 = 3,751.00/x
  3. Step 3: Cross multiply
    6,913.67x = 10,361.79 × 3,751.00
  4. Step 4: Simplify right side
    6,913.67x = 38,867,048.39
  5. Step 5: Solve for x
    x = 38,867,048.39/6,913.67
  6. Step 6: Final answer
    x = 5,621.77

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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.