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Finding the Fourth Proportional to 5,596.81, 7,722.03 and 3,608.53

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Solution

The fourth proportional to 5,596.81, 7,722.03 and 3,608.53 is: 4,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,596.81 : 7,722.03 = 3,608.53 : x
  2. Step 2: Convert to fraction form
    5,596.81/7,722.03 = 3,608.53/x
  3. Step 3: Cross multiply
    5,596.81x = 7,722.03 × 3,608.53
  4. Step 4: Simplify right side
    5,596.81x = 27,865,214.58
  5. Step 5: Solve for x
    x = 27,865,214.58/5,596.81
  6. Step 6: Final answer
    x = 4,978.76

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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.