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Finding the Fourth Proportional to 18,627.91, 25,706.50 and 10,244.41

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Solution

The fourth proportional to 18,627.91, 25,706.50 and 10,244.41 is: 14,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.91 : 25,706.50 = 10,244.41 : x
  2. Step 2: Convert to fraction form
    18,627.91/25,706.50 = 10,244.41/x
  3. Step 3: Cross multiply
    18,627.91x = 25,706.50 × 10,244.41
  4. Step 4: Simplify right side
    18,627.91x = 263,347,835.79
  5. Step 5: Solve for x
    x = 263,347,835.79/18,627.91
  6. Step 6: Final answer
    x = 14,137.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.