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Finding the Fourth Proportional to 37,652.43, 51,960.41 and 20,885.43

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Solution

The fourth proportional to 37,652.43, 51,960.41 and 20,885.43 is: 28,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,652.43 : 51,960.41 = 20,885.43 : x
  2. Step 2: Convert to fraction form
    37,652.43/51,960.41 = 20,885.43/x
  3. Step 3: Cross multiply
    37,652.43x = 51,960.41 × 20,885.43
  4. Step 4: Simplify right side
    37,652.43x = 1,085,215,401.40
  5. Step 5: Solve for x
    x = 1,085,215,401.40/37,652.43
  6. Step 6: Final answer
    x = 28,821.92

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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.