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Finding the Fourth Proportional to 41,889, 62,844.84 and 14,187

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Solution

The fourth proportional to 41,889, 62,844.84 and 14,187 is: 21,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,889 : 62,844.84 = 14,187 : x
  2. Step 2: Convert to fraction form
    41,889/62,844.84 = 14,187/x
  3. Step 3: Cross multiply
    41,889x = 62,844.84 × 14,187
  4. Step 4: Simplify right side
    41,889x = 891,579,745.08
  5. Step 5: Solve for x
    x = 891,579,745.08/41,889
  6. Step 6: Final answer
    x = 21,284.34

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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.