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Finding the Fourth Proportional to 43,722.40, 65,652.72 and 34,529.44

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Solution

The fourth proportional to 43,722.40, 65,652.72 and 34,529.44 is: 51,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722.40 : 65,652.72 = 34,529.44 : x
  2. Step 2: Convert to fraction form
    43,722.40/65,652.72 = 34,529.44/x
  3. Step 3: Cross multiply
    43,722.40x = 65,652.72 × 34,529.44
  4. Step 4: Simplify right side
    43,722.40x = 2,266,951,656.08
  5. Step 5: Solve for x
    x = 2,266,951,656.08/43,722.40
  6. Step 6: Final answer
    x = 51,848.75

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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.