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Finding the Fourth Proportional to 43,349.67, 65,026.76 and 13,769.82

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Solution

The fourth proportional to 43,349.67, 65,026.76 and 13,769.82 is: 20,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,349.67 : 65,026.76 = 13,769.82 : x
  2. Step 2: Convert to fraction form
    43,349.67/65,026.76 = 13,769.82/x
  3. Step 3: Cross multiply
    43,349.67x = 65,026.76 × 13,769.82
  4. Step 4: Simplify right side
    43,349.67x = 895,406,711.53
  5. Step 5: Solve for x
    x = 895,406,711.53/43,349.67
  6. Step 6: Final answer
    x = 20,655.44

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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.