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Finding the Fourth Proportional to 43,493.47, 65,255.75 and 26,834.11

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Solution

The fourth proportional to 43,493.47, 65,255.75 and 26,834.11 is: 40,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,493.47 : 65,255.75 = 26,834.11 : x
  2. Step 2: Convert to fraction form
    43,493.47/65,255.75 = 26,834.11/x
  3. Step 3: Cross multiply
    43,493.47x = 65,255.75 × 26,834.11
  4. Step 4: Simplify right side
    43,493.47x = 1,751,079,973.63
  5. Step 5: Solve for x
    x = 1,751,079,973.63/43,493.47
  6. Step 6: Final answer
    x = 40,260.76

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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.