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Finding the Fourth Proportional to 65,382.56, 98,073.84 and 18,634.22

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Solution

The fourth proportional to 65,382.56, 98,073.84 and 18,634.22 is: 27,951.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,382.56 : 98,073.84 = 18,634.22 : x
  2. Step 2: Convert to fraction form
    65,382.56/98,073.84 = 18,634.22/x
  3. Step 3: Cross multiply
    65,382.56x = 98,073.84 × 18,634.22
  4. Step 4: Simplify right side
    65,382.56x = 1,827,529,388.21
  5. Step 5: Solve for x
    x = 1,827,529,388.21/65,382.56
  6. Step 6: Final answer
    x = 27,951.33

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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.