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Finding the Fourth Proportional to 43,447.44, 65,169.78 and 13,867.08

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Solution

The fourth proportional to 43,447.44, 65,169.78 and 13,867.08 is: 20,800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,447.44 : 65,169.78 = 13,867.08 : x
  2. Step 2: Convert to fraction form
    43,447.44/65,169.78 = 13,867.08/x
  3. Step 3: Cross multiply
    43,447.44x = 65,169.78 × 13,867.08
  4. Step 4: Simplify right side
    43,447.44x = 903,714,552.84
  5. Step 5: Solve for x
    x = 903,714,552.84/43,447.44
  6. Step 6: Final answer
    x = 20,800.18

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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.