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Finding the Fourth Proportional to 5,277.62, 7,914.27 and 2,353.93

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Solution

The fourth proportional to 5,277.62, 7,914.27 and 2,353.93 is: 3,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.62 : 7,914.27 = 2,353.93 : x
  2. Step 2: Convert to fraction form
    5,277.62/7,914.27 = 2,353.93/x
  3. Step 3: Cross multiply
    5,277.62x = 7,914.27 × 2,353.93
  4. Step 4: Simplify right side
    5,277.62x = 18,629,637.58
  5. Step 5: Solve for x
    x = 18,629,637.58/5,277.62
  6. Step 6: Final answer
    x = 3,529.93

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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.