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Finding the Fourth Proportional to 33,076.80, 49,615.12 and 8,452.80

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Solution

The fourth proportional to 33,076.80, 49,615.12 and 8,452.80 is: 12,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,076.80 : 49,615.12 = 8,452.80 : x
  2. Step 2: Convert to fraction form
    33,076.80/49,615.12 = 8,452.80/x
  3. Step 3: Cross multiply
    33,076.80x = 49,615.12 × 8,452.80
  4. Step 4: Simplify right side
    33,076.80x = 419,386,686.34
  5. Step 5: Solve for x
    x = 419,386,686.34/33,076.80
  6. Step 6: Final answer
    x = 12,679.18

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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.