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Finding the Fourth Proportional to 65,847.44, 98,786.88 and 21,474.23

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Solution

The fourth proportional to 65,847.44, 98,786.88 and 21,474.23 is: 32,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,847.44 : 98,786.88 = 21,474.23 : x
  2. Step 2: Convert to fraction form
    65,847.44/98,786.88 = 21,474.23/x
  3. Step 3: Cross multiply
    65,847.44x = 98,786.88 × 21,474.23
  4. Step 4: Simplify right side
    65,847.44x = 2,121,372,182.10
  5. Step 5: Solve for x
    x = 2,121,372,182.10/65,847.44
  6. Step 6: Final answer
    x = 32,216.47

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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.