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Finding the Fourth Proportional to 36,786.34, 54,709.29 and 36,392.68

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Solution

The fourth proportional to 36,786.34, 54,709.29 and 36,392.68 is: 54,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,786.34 : 54,709.29 = 36,392.68 : x
  2. Step 2: Convert to fraction form
    36,786.34/54,709.29 = 36,392.68/x
  3. Step 3: Cross multiply
    36,786.34x = 54,709.29 × 36,392.68
  4. Step 4: Simplify right side
    36,786.34x = 1,991,017,684.00
  5. Step 5: Solve for x
    x = 1,991,017,684.00/36,786.34
  6. Step 6: Final answer
    x = 54,123.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.