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Finding the Fourth Proportional to 79,695.50, 119,491.30 and 36,983.40

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Solution

The fourth proportional to 79,695.50, 119,491.30 and 36,983.40 is: 55,450.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,695.50 : 119,491.30 = 36,983.40 : x
  2. Step 2: Convert to fraction form
    79,695.50/119,491.30 = 36,983.40/x
  3. Step 3: Cross multiply
    79,695.50x = 119,491.30 × 36,983.40
  4. Step 4: Simplify right side
    79,695.50x = 4,419,194,544.42
  5. Step 5: Solve for x
    x = 4,419,194,544.42/79,695.50
  6. Step 6: Final answer
    x = 55,450.99

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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.