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Finding the Fourth Proportional to 16,706.85, 24,991.01 and 12,728.00

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Solution

The fourth proportional to 16,706.85, 24,991.01 and 12,728.00 is: 19,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,706.85 : 24,991.01 = 12,728.00 : x
  2. Step 2: Convert to fraction form
    16,706.85/24,991.01 = 12,728.00/x
  3. Step 3: Cross multiply
    16,706.85x = 24,991.01 × 12,728.00
  4. Step 4: Simplify right side
    16,706.85x = 318,085,512.80
  5. Step 5: Solve for x
    x = 318,085,512.80/16,706.85
  6. Step 6: Final answer
    x = 19,039.23

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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.