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Finding the Fourth Proportional to 72,745.56, 109,137.33 and 22,827.24

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Solution

The fourth proportional to 72,745.56, 109,137.33 and 22,827.24 is: 34,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,745.56 : 109,137.33 = 22,827.24 : x
  2. Step 2: Convert to fraction form
    72,745.56/109,137.33 = 22,827.24/x
  3. Step 3: Cross multiply
    72,745.56x = 109,137.33 × 22,827.24
  4. Step 4: Simplify right side
    72,745.56x = 2,491,304,024.87
  5. Step 5: Solve for x
    x = 2,491,304,024.87/72,745.56
  6. Step 6: Final answer
    x = 34,246.82

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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.