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Finding the Fourth Proportional to 27,336.80, 40,980.90 and 16,231.70

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Solution

The fourth proportional to 27,336.80, 40,980.90 and 16,231.70 is: 24,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,336.80 : 40,980.90 = 16,231.70 : x
  2. Step 2: Convert to fraction form
    27,336.80/40,980.90 = 16,231.70/x
  3. Step 3: Cross multiply
    27,336.80x = 40,980.90 × 16,231.70
  4. Step 4: Simplify right side
    27,336.80x = 665,189,674.53
  5. Step 5: Solve for x
    x = 665,189,674.53/27,336.80
  6. Step 6: Final answer
    x = 24,333.12

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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.