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Finding the Fourth Proportional to 37,626.41, 51,923.68 and 20,859.41

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Solution

The fourth proportional to 37,626.41, 51,923.68 and 20,859.41 is: 28,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,626.41 : 51,923.68 = 20,859.41 : x
  2. Step 2: Convert to fraction form
    37,626.41/51,923.68 = 20,859.41/x
  3. Step 3: Cross multiply
    37,626.41x = 51,923.68 × 20,859.41
  4. Step 4: Simplify right side
    37,626.41x = 1,083,097,018.06
  5. Step 5: Solve for x
    x = 1,083,097,018.06/37,626.41
  6. Step 6: Final answer
    x = 28,785.56

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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.