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Finding the Fourth Proportional to 12,341.37, 18,512.03 and 4,021.37

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Solution

The fourth proportional to 12,341.37, 18,512.03 and 4,021.37 is: 6,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.37 : 18,512.03 = 4,021.37 : x
  2. Step 2: Convert to fraction form
    12,341.37/18,512.03 = 4,021.37/x
  3. Step 3: Cross multiply
    12,341.37x = 18,512.03 × 4,021.37
  4. Step 4: Simplify right side
    12,341.37x = 74,443,722.08
  5. Step 5: Solve for x
    x = 74,443,722.08/12,341.37
  6. Step 6: Final answer
    x = 6,032.05

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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.