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Finding the Fourth Proportional to 43,938.40, 65,907.60 and 27,349.60

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Solution

The fourth proportional to 43,938.40, 65,907.60 and 27,349.60 is: 41,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,938.40 : 65,907.60 = 27,349.60 : x
  2. Step 2: Convert to fraction form
    43,938.40/65,907.60 = 27,349.60/x
  3. Step 3: Cross multiply
    43,938.40x = 65,907.60 × 27,349.60
  4. Step 4: Simplify right side
    43,938.40x = 1,802,546,496.96
  5. Step 5: Solve for x
    x = 1,802,546,496.96/43,938.40
  6. Step 6: Final answer
    x = 41,024.40

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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.