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Finding the Fourth Proportional to 43,350.96, 65,019.80 and 13,764.94

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Solution

The fourth proportional to 43,350.96, 65,019.80 and 13,764.94 is: 20,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,350.96 : 65,019.80 = 13,764.94 : x
  2. Step 2: Convert to fraction form
    43,350.96/65,019.80 = 13,764.94/x
  3. Step 3: Cross multiply
    43,350.96x = 65,019.80 × 13,764.94
  4. Step 4: Simplify right side
    43,350.96x = 894,993,645.81
  5. Step 5: Solve for x
    x = 894,993,645.81/43,350.96
  6. Step 6: Final answer
    x = 20,645.30

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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.