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Finding the Fourth Proportional to 37,626.72, 51,927.21 and 20,859.72

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Solution

The fourth proportional to 37,626.72, 51,927.21 and 20,859.72 is: 28,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,626.72 : 51,927.21 = 20,859.72 : x
  2. Step 2: Convert to fraction form
    37,626.72/51,927.21 = 20,859.72/x
  3. Step 3: Cross multiply
    37,626.72x = 51,927.21 × 20,859.72
  4. Step 4: Simplify right side
    37,626.72x = 1,083,187,060.98
  5. Step 5: Solve for x
    x = 1,083,187,060.98/37,626.72
  6. Step 6: Final answer
    x = 28,787.71

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1.5x scale

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.