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Finding the Fourth Proportional to 43,788, 60,427.68 and 23,916

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Solution

The fourth proportional to 43,788, 60,427.68 and 23,916 is: 33,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,788 : 60,427.68 = 23,916 : x
  2. Step 2: Convert to fraction form
    43,788/60,427.68 = 23,916/x
  3. Step 3: Cross multiply
    43,788x = 60,427.68 × 23,916
  4. Step 4: Simplify right side
    43,788x = 1,445,188,394.88
  5. Step 5: Solve for x
    x = 1,445,188,394.88/43,788
  6. Step 6: Final answer
    x = 33,004.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.