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Finding the Fourth Proportional to 44,778.65, 67,178.94 and 36,786.92

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Solution

The fourth proportional to 44,778.65, 67,178.94 and 36,786.92 is: 55,189.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,778.65 : 67,178.94 = 36,786.92 : x
  2. Step 2: Convert to fraction form
    44,778.65/67,178.94 = 36,786.92/x
  3. Step 3: Cross multiply
    44,778.65x = 67,178.94 × 36,786.92
  4. Step 4: Simplify right side
    44,778.65x = 2,471,306,291.46
  5. Step 5: Solve for x
    x = 2,471,306,291.46/44,778.65
  6. Step 6: Final answer
    x = 55,189.39

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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.