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Finding the Fourth Proportional to 27,089.80, 40,634.70 and 23,633.80

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Solution

The fourth proportional to 27,089.80, 40,634.70 and 23,633.80 is: 35,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.80 : 40,634.70 = 23,633.80 : x
  2. Step 2: Convert to fraction form
    27,089.80/40,634.70 = 23,633.80/x
  3. Step 3: Cross multiply
    27,089.80x = 40,634.70 × 23,633.80
  4. Step 4: Simplify right side
    27,089.80x = 960,352,372.86
  5. Step 5: Solve for x
    x = 960,352,372.86/27,089.80
  6. Step 6: Final answer
    x = 35,450.70

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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.