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Finding the Fourth Proportional to 4,954, 7,421.73 and 2,485.93

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Solution

The fourth proportional to 4,954, 7,421.73 and 2,485.93 is: 3,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,954 : 7,421.73 = 2,485.93 : x
  2. Step 2: Convert to fraction form
    4,954/7,421.73 = 2,485.93/x
  3. Step 3: Cross multiply
    4,954x = 7,421.73 × 2,485.93
  4. Step 4: Simplify right side
    4,954x = 18,449,901.26
  5. Step 5: Solve for x
    x = 18,449,901.26/4,954
  6. Step 6: Final answer
    x = 3,724.24

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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.