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Finding the Fourth Proportional to 43,850.63, 65,768.65 and 15,765.01

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Solution

The fourth proportional to 43,850.63, 65,768.65 and 15,765.01 is: 23,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,850.63 : 65,768.65 = 15,765.01 : x
  2. Step 2: Convert to fraction form
    43,850.63/65,768.65 = 15,765.01/x
  3. Step 3: Cross multiply
    43,850.63x = 65,768.65 × 15,765.01
  4. Step 4: Simplify right side
    43,850.63x = 1,036,843,221.10
  5. Step 5: Solve for x
    x = 1,036,843,221.10/43,850.63
  6. Step 6: Final answer
    x = 23,644.89

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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.