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Finding the Fourth Proportional to 43,584.57, 65,384.52 and 22,518.72

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Solution

The fourth proportional to 43,584.57, 65,384.52 and 22,518.72 is: 33,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,584.57 : 65,384.52 = 22,518.72 : x
  2. Step 2: Convert to fraction form
    43,584.57/65,384.52 = 22,518.72/x
  3. Step 3: Cross multiply
    43,584.57x = 65,384.52 × 22,518.72
  4. Step 4: Simplify right side
    43,584.57x = 1,472,375,698.21
  5. Step 5: Solve for x
    x = 1,472,375,698.21/43,584.57
  6. Step 6: Final answer
    x = 33,782.04

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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.