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Finding the Fourth Proportional to 33,612, 46,384.56 and 18,711.52

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Solution

The fourth proportional to 33,612, 46,384.56 and 18,711.52 is: 25,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,612 : 46,384.56 = 18,711.52 : x
  2. Step 2: Convert to fraction form
    33,612/46,384.56 = 18,711.52/x
  3. Step 3: Cross multiply
    33,612x = 46,384.56 × 18,711.52
  4. Step 4: Simplify right side
    33,612x = 867,925,622.13
  5. Step 5: Solve for x
    x = 867,925,622.13/33,612
  6. Step 6: Final answer
    x = 25,821.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.