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Finding the Fourth Proportional to 37,657.41, 51,967.22 and 20,890.41

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Solution

The fourth proportional to 37,657.41, 51,967.22 and 20,890.41 is: 28,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,657.41 : 51,967.22 = 20,890.41 : x
  2. Step 2: Convert to fraction form
    37,657.41/51,967.22 = 20,890.41/x
  3. Step 3: Cross multiply
    37,657.41x = 51,967.22 × 20,890.41
  4. Step 4: Simplify right side
    37,657.41x = 1,085,616,350.54
  5. Step 5: Solve for x
    x = 1,085,616,350.54/37,657.41
  6. Step 6: Final answer
    x = 28,828.76

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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.