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Finding the Fourth Proportional to 43,626.30, 65,472.06 and 16,976.50

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Solution

The fourth proportional to 43,626.30, 65,472.06 and 16,976.50 is: 25,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,626.30 : 65,472.06 = 16,976.50 : x
  2. Step 2: Convert to fraction form
    43,626.30/65,472.06 = 16,976.50/x
  3. Step 3: Cross multiply
    43,626.30x = 65,472.06 × 16,976.50
  4. Step 4: Simplify right side
    43,626.30x = 1,111,486,426.59
  5. Step 5: Solve for x
    x = 1,111,486,426.59/43,626.30
  6. Step 6: Final answer
    x = 25,477.44

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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.