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Finding the Fourth Proportional to 5,323.87, 7,985.81 and 2,401.39

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Solution

The fourth proportional to 5,323.87, 7,985.81 and 2,401.39 is: 3,602.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.87 : 7,985.81 = 2,401.39 : x
  2. Step 2: Convert to fraction form
    5,323.87/7,985.81 = 2,401.39/x
  3. Step 3: Cross multiply
    5,323.87x = 7,985.81 × 2,401.39
  4. Step 4: Simplify right side
    5,323.87x = 19,177,044.28
  5. Step 5: Solve for x
    x = 19,177,044.28/5,323.87
  6. Step 6: Final answer
    x = 3,602.09

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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.