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Finding the Fourth Proportional to 4,993.07, 7,494.26 and 2,655.81

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Solution

The fourth proportional to 4,993.07, 7,494.26 and 2,655.81 is: 3,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.07 : 7,494.26 = 2,655.81 : x
  2. Step 2: Convert to fraction form
    4,993.07/7,494.26 = 2,655.81/x
  3. Step 3: Cross multiply
    4,993.07x = 7,494.26 × 2,655.81
  4. Step 4: Simplify right side
    4,993.07x = 19,903,317.37
  5. Step 5: Solve for x
    x = 19,903,317.37/4,993.07
  6. Step 6: Final answer
    x = 3,986.19

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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.