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Finding the Fourth Proportional to 43,643.70, 65,474.85 and 24,932.70

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Solution

The fourth proportional to 43,643.70, 65,474.85 and 24,932.70 is: 37,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,643.70 : 65,474.85 = 24,932.70 : x
  2. Step 2: Convert to fraction form
    43,643.70/65,474.85 = 24,932.70/x
  3. Step 3: Cross multiply
    43,643.70x = 65,474.85 × 24,932.70
  4. Step 4: Simplify right side
    43,643.70x = 1,632,464,792.60
  5. Step 5: Solve for x
    x = 1,632,464,792.60/43,643.70
  6. Step 6: Final answer
    x = 37,404.36

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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.