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Finding the Fourth Proportional to 41,352.40, 62,028.60 and 39,408.40

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Solution

The fourth proportional to 41,352.40, 62,028.60 and 39,408.40 is: 59,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,352.40 : 62,028.60 = 39,408.40 : x
  2. Step 2: Convert to fraction form
    41,352.40/62,028.60 = 39,408.40/x
  3. Step 3: Cross multiply
    41,352.40x = 62,028.60 × 39,408.40
  4. Step 4: Simplify right side
    41,352.40x = 2,444,447,880.24
  5. Step 5: Solve for x
    x = 2,444,447,880.24/41,352.40
  6. Step 6: Final answer
    x = 59,112.60

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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.