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Finding the Fourth Proportional to 43,858.44, 65,808.71 and 34,439.76

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Solution

The fourth proportional to 43,858.44, 65,808.71 and 34,439.76 is: 51,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,858.44 : 65,808.71 = 34,439.76 : x
  2. Step 2: Convert to fraction form
    43,858.44/65,808.71 = 34,439.76/x
  3. Step 3: Cross multiply
    43,858.44x = 65,808.71 × 34,439.76
  4. Step 4: Simplify right side
    43,858.44x = 2,266,436,178.31
  5. Step 5: Solve for x
    x = 2,266,436,178.31/43,858.44
  6. Step 6: Final answer
    x = 51,676.17

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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.