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Finding the Fourth Proportional to 6,751.40, 10,131.60 and 2,368.82

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Solution

The fourth proportional to 6,751.40, 10,131.60 and 2,368.82 is: 3,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.40 : 10,131.60 = 2,368.82 : x
  2. Step 2: Convert to fraction form
    6,751.40/10,131.60 = 2,368.82/x
  3. Step 3: Cross multiply
    6,751.40x = 10,131.60 × 2,368.82
  4. Step 4: Simplify right side
    6,751.40x = 23,999,936.71
  5. Step 5: Solve for x
    x = 23,999,936.71/6,751.40
  6. Step 6: Final answer
    x = 3,554.81

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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.