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Finding the Fourth Proportional to 65,811.60, 98,571.60 and 26,348.40

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Solution

The fourth proportional to 65,811.60, 98,571.60 and 26,348.40 is: 39,464.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,811.60 : 98,571.60 = 26,348.40 : x
  2. Step 2: Convert to fraction form
    65,811.60/98,571.60 = 26,348.40/x
  3. Step 3: Cross multiply
    65,811.60x = 98,571.60 × 26,348.40
  4. Step 4: Simplify right side
    65,811.60x = 2,597,203,945.44
  5. Step 5: Solve for x
    x = 2,597,203,945.44/65,811.60
  6. Step 6: Final answer
    x = 39,464.23

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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.