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Finding the Fourth Proportional to 74,394.68, 111,592.60 and 27,647.50

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Solution

The fourth proportional to 74,394.68, 111,592.60 and 27,647.50 is: 41,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,394.68 : 111,592.60 = 27,647.50 : x
  2. Step 2: Convert to fraction form
    74,394.68/111,592.60 = 27,647.50/x
  3. Step 3: Cross multiply
    74,394.68x = 111,592.60 × 27,647.50
  4. Step 4: Simplify right side
    74,394.68x = 3,085,256,408.50
  5. Step 5: Solve for x
    x = 3,085,256,408.50/74,394.68
  6. Step 6: Final answer
    x = 41,471.47

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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.