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Finding the Fourth Proportional to 37,589, 51,859.92 and 21,444.70

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Solution

The fourth proportional to 37,589, 51,859.92 and 21,444.70 is: 29,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,589 : 51,859.92 = 21,444.70 : x
  2. Step 2: Convert to fraction form
    37,589/51,859.92 = 21,444.70/x
  3. Step 3: Cross multiply
    37,589x = 51,859.92 × 21,444.70
  4. Step 4: Simplify right side
    37,589x = 1,112,120,426.42
  5. Step 5: Solve for x
    x = 1,112,120,426.42/37,589
  6. Step 6: Final answer
    x = 29,586.33

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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.