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Finding the Fourth Proportional to 4,178.36, 6,267.36 and 1,712.36

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Solution

The fourth proportional to 4,178.36, 6,267.36 and 1,712.36 is: 2,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.36 : 6,267.36 = 1,712.36 : x
  2. Step 2: Convert to fraction form
    4,178.36/6,267.36 = 1,712.36/x
  3. Step 3: Cross multiply
    4,178.36x = 6,267.36 × 1,712.36
  4. Step 4: Simplify right side
    4,178.36x = 10,731,976.57
  5. Step 5: Solve for x
    x = 10,731,976.57/4,178.36
  6. Step 6: Final answer
    x = 2,568.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.