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Finding the Fourth Proportional to 44,608.60, 66,912.90 and 43,917.40

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Solution

The fourth proportional to 44,608.60, 66,912.90 and 43,917.40 is: 65,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,608.60 : 66,912.90 = 43,917.40 : x
  2. Step 2: Convert to fraction form
    44,608.60/66,912.90 = 43,917.40/x
  3. Step 3: Cross multiply
    44,608.60x = 66,912.90 × 43,917.40
  4. Step 4: Simplify right side
    44,608.60x = 2,938,640,594.46
  5. Step 5: Solve for x
    x = 2,938,640,594.46/44,608.60
  6. Step 6: Final answer
    x = 65,876.10

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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.