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Finding the Fourth Proportional to 3,018.36, 4,525.90 and 937.46

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Solution

The fourth proportional to 3,018.36, 4,525.90 and 937.46 is: 1,405.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.36 : 4,525.90 = 937.46 : x
  2. Step 2: Convert to fraction form
    3,018.36/4,525.90 = 937.46/x
  3. Step 3: Cross multiply
    3,018.36x = 4,525.90 × 937.46
  4. Step 4: Simplify right side
    3,018.36x = 4,242,850.21
  5. Step 5: Solve for x
    x = 4,242,850.21/3,018.36
  6. Step 6: Final answer
    x = 1,405.68

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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.