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Finding the Fourth Proportional to 24,569.70, 36,745.20 and 20,633.10

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Solution

The fourth proportional to 24,569.70, 36,745.20 and 20,633.10 is: 30,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,569.70 : 36,745.20 = 20,633.10 : x
  2. Step 2: Convert to fraction form
    24,569.70/36,745.20 = 20,633.10/x
  3. Step 3: Cross multiply
    24,569.70x = 36,745.20 × 20,633.10
  4. Step 4: Simplify right side
    24,569.70x = 758,167,386.12
  5. Step 5: Solve for x
    x = 758,167,386.12/24,569.70
  6. Step 6: Final answer
    x = 30,857.82

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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.