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Finding the Fourth Proportional to 9,764.15, 14,644.62 and 2,744.64

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Solution

The fourth proportional to 9,764.15, 14,644.62 and 2,744.64 is: 4,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764.15 : 14,644.62 = 2,744.64 : x
  2. Step 2: Convert to fraction form
    9,764.15/14,644.62 = 2,744.64/x
  3. Step 3: Cross multiply
    9,764.15x = 14,644.62 × 2,744.64
  4. Step 4: Simplify right side
    9,764.15x = 40,194,209.84
  5. Step 5: Solve for x
    x = 40,194,209.84/9,764.15
  6. Step 6: Final answer
    x = 4,116.51

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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.