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Finding the Fourth Proportional to 43,286.87, 64,930.35 and 23,603.87

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Solution

The fourth proportional to 43,286.87, 64,930.35 and 23,603.87 is: 35,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,286.87 : 64,930.35 = 23,603.87 : x
  2. Step 2: Convert to fraction form
    43,286.87/64,930.35 = 23,603.87/x
  3. Step 3: Cross multiply
    43,286.87x = 64,930.35 × 23,603.87
  4. Step 4: Simplify right side
    43,286.87x = 1,532,607,540.45
  5. Step 5: Solve for x
    x = 1,532,607,540.45/43,286.87
  6. Step 6: Final answer
    x = 35,405.83

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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.