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Finding the Fourth Proportional to 65,486.86, 98,230.97 and 52,422.28

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Solution

The fourth proportional to 65,486.86, 98,230.97 and 52,422.28 is: 78,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,486.86 : 98,230.97 = 52,422.28 : x
  2. Step 2: Convert to fraction form
    65,486.86/98,230.97 = 52,422.28/x
  3. Step 3: Cross multiply
    65,486.86x = 98,230.97 × 52,422.28
  4. Step 4: Simplify right side
    65,486.86x = 5,149,491,299.49
  5. Step 5: Solve for x
    x = 5,149,491,299.49/65,486.86
  6. Step 6: Final answer
    x = 78,633.97

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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.