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Finding the Fourth Proportional to 57,506.76, 86,229.90 and 33,821.55

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Solution

The fourth proportional to 57,506.76, 86,229.90 and 33,821.55 is: 50,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,506.76 : 86,229.90 = 33,821.55 : x
  2. Step 2: Convert to fraction form
    57,506.76/86,229.90 = 33,821.55/x
  3. Step 3: Cross multiply
    57,506.76x = 86,229.90 × 33,821.55
  4. Step 4: Simplify right side
    57,506.76x = 2,916,428,874.35
  5. Step 5: Solve for x
    x = 2,916,428,874.35/57,506.76
  6. Step 6: Final answer
    x = 50,714.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.