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Finding the Fourth Proportional to 38,532.80, 54,049.60 and 38,532.80

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Solution

The fourth proportional to 38,532.80, 54,049.60 and 38,532.80 is: 54,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,532.80 : 54,049.60 = 38,532.80 : x
  2. Step 2: Convert to fraction form
    38,532.80/54,049.60 = 38,532.80/x
  3. Step 3: Cross multiply
    38,532.80x = 54,049.60 × 38,532.80
  4. Step 4: Simplify right side
    38,532.80x = 2,082,682,426.88
  5. Step 5: Solve for x
    x = 2,082,682,426.88/38,532.80
  6. Step 6: Final answer
    x = 54,049.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.