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Finding the Fourth Proportional to 4,636.27, 6,954 and 1,864.45

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Solution

The fourth proportional to 4,636.27, 6,954 and 1,864.45 is: 2,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.27 : 6,954 = 1,864.45 : x
  2. Step 2: Convert to fraction form
    4,636.27/6,954 = 1,864.45/x
  3. Step 3: Cross multiply
    4,636.27x = 6,954 × 1,864.45
  4. Step 4: Simplify right side
    4,636.27x = 12,965,385.30
  5. Step 5: Solve for x
    x = 12,965,385.30/4,636.27
  6. Step 6: Final answer
    x = 2,796.51

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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.