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Finding the Fourth Proportional to 57,829.40, 86,814.30 and 36,769.40

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Solution

The fourth proportional to 57,829.40, 86,814.30 and 36,769.40 is: 55,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,829.40 : 86,814.30 = 36,769.40 : x
  2. Step 2: Convert to fraction form
    57,829.40/86,814.30 = 36,769.40/x
  3. Step 3: Cross multiply
    57,829.40x = 86,814.30 × 36,769.40
  4. Step 4: Simplify right side
    57,829.40x = 3,192,109,722.42
  5. Step 5: Solve for x
    x = 3,192,109,722.42/57,829.40
  6. Step 6: Final answer
    x = 55,198.73

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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.