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Finding the Fourth Proportional to 2,467.95, 3,405.81 and 1,348.95

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Solution

The fourth proportional to 2,467.95, 3,405.81 and 1,348.95 is: 1,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,467.95 : 3,405.81 = 1,348.95 : x
  2. Step 2: Convert to fraction form
    2,467.95/3,405.81 = 1,348.95/x
  3. Step 3: Cross multiply
    2,467.95x = 3,405.81 × 1,348.95
  4. Step 4: Simplify right side
    2,467.95x = 4,594,267.40
  5. Step 5: Solve for x
    x = 4,594,267.40/2,467.95
  6. Step 6: Final answer
    x = 1,861.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.