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Finding the Fourth Proportional to 57,974.45, 80,013.20 and 32,482.54

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Solution

The fourth proportional to 57,974.45, 80,013.20 and 32,482.54 is: 44,830.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,974.45 : 80,013.20 = 32,482.54 : x
  2. Step 2: Convert to fraction form
    57,974.45/80,013.20 = 32,482.54/x
  3. Step 3: Cross multiply
    57,974.45x = 80,013.20 × 32,482.54
  4. Step 4: Simplify right side
    57,974.45x = 2,599,031,407.05
  5. Step 5: Solve for x
    x = 2,599,031,407.05/57,974.45
  6. Step 6: Final answer
    x = 44,830.63

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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.