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Finding the Fourth Proportional to 27,230.94, 40,817.37 and 15,518.94

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Solution

The fourth proportional to 27,230.94, 40,817.37 and 15,518.94 is: 23,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,230.94 : 40,817.37 = 15,518.94 : x
  2. Step 2: Convert to fraction form
    27,230.94/40,817.37 = 15,518.94/x
  3. Step 3: Cross multiply
    27,230.94x = 40,817.37 × 15,518.94
  4. Step 4: Simplify right side
    27,230.94x = 633,442,315.99
  5. Step 5: Solve for x
    x = 633,442,315.99/27,230.94
  6. Step 6: Final answer
    x = 23,261.86

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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.