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Finding the Fourth Proportional to 43,641.18, 65,494.37 and 16,991.37

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Solution

The fourth proportional to 43,641.18, 65,494.37 and 16,991.37 is: 25,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,641.18 : 65,494.37 = 16,991.37 : x
  2. Step 2: Convert to fraction form
    43,641.18/65,494.37 = 16,991.37/x
  3. Step 3: Cross multiply
    43,641.18x = 65,494.37 × 16,991.37
  4. Step 4: Simplify right side
    43,641.18x = 1,112,839,116.07
  5. Step 5: Solve for x
    x = 1,112,839,116.07/43,641.18
  6. Step 6: Final answer
    x = 25,499.75

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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.