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Finding the Fourth Proportional to 5,018.77, 7,525.41 and 3,985.41

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Solution

The fourth proportional to 5,018.77, 7,525.41 and 3,985.41 is: 5,975.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.77 : 7,525.41 = 3,985.41 : x
  2. Step 2: Convert to fraction form
    5,018.77/7,525.41 = 3,985.41/x
  3. Step 3: Cross multiply
    5,018.77x = 7,525.41 × 3,985.41
  4. Step 4: Simplify right side
    5,018.77x = 29,991,844.27
  5. Step 5: Solve for x
    x = 29,991,844.27/5,018.77
  6. Step 6: Final answer
    x = 5,975.94

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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.