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Finding the Fourth Proportional to 75,633.20, 113,449.80 and 44,010.80

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Solution

The fourth proportional to 75,633.20, 113,449.80 and 44,010.80 is: 66,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,633.20 : 113,449.80 = 44,010.80 : x
  2. Step 2: Convert to fraction form
    75,633.20/113,449.80 = 44,010.80/x
  3. Step 3: Cross multiply
    75,633.20x = 113,449.80 × 44,010.80
  4. Step 4: Simplify right side
    75,633.20x = 4,993,016,457.84
  5. Step 5: Solve for x
    x = 4,993,016,457.84/75,633.20
  6. Step 6: Final answer
    x = 66,016.20

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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.