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Finding the Fourth Proportional to 65,772.72, 98,659.80 and 52,608.24

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Solution

The fourth proportional to 65,772.72, 98,659.80 and 52,608.24 is: 78,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,772.72 : 98,659.80 = 52,608.24 : x
  2. Step 2: Convert to fraction form
    65,772.72/98,659.80 = 52,608.24/x
  3. Step 3: Cross multiply
    65,772.72x = 98,659.80 × 52,608.24
  4. Step 4: Simplify right side
    65,772.72x = 5,190,318,436.75
  5. Step 5: Solve for x
    x = 5,190,318,436.75/65,772.72
  6. Step 6: Final answer
    x = 78,912.94

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1.5x scale

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.