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Finding the Fourth Proportional to 18,245.94, 27,373.01 and 5,766.71

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Solution

The fourth proportional to 18,245.94, 27,373.01 and 5,766.71 is: 8,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.94 : 27,373.01 = 5,766.71 : x
  2. Step 2: Convert to fraction form
    18,245.94/27,373.01 = 5,766.71/x
  3. Step 3: Cross multiply
    18,245.94x = 27,373.01 × 5,766.71
  4. Step 4: Simplify right side
    18,245.94x = 157,852,044.80
  5. Step 5: Solve for x
    x = 157,852,044.80/18,245.94
  6. Step 6: Final answer
    x = 8,651.35

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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.