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Finding the Fourth Proportional to 4,168.50, 6,252.81 and 1,090.50

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Solution

The fourth proportional to 4,168.50, 6,252.81 and 1,090.50 is: 1,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.50 : 6,252.81 = 1,090.50 : x
  2. Step 2: Convert to fraction form
    4,168.50/6,252.81 = 1,090.50/x
  3. Step 3: Cross multiply
    4,168.50x = 6,252.81 × 1,090.50
  4. Step 4: Simplify right side
    4,168.50x = 6,818,689.31
  5. Step 5: Solve for x
    x = 6,818,689.31/4,168.50
  6. Step 6: Final answer
    x = 1,635.77

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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.