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Finding the Fourth Proportional to 22,675.30, 34,013.30 and 8,636.11

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Solution

The fourth proportional to 22,675.30, 34,013.30 and 8,636.11 is: 12,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.30 : 34,013.30 = 8,636.11 : x
  2. Step 2: Convert to fraction form
    22,675.30/34,013.30 = 8,636.11/x
  3. Step 3: Cross multiply
    22,675.30x = 34,013.30 × 8,636.11
  4. Step 4: Simplify right side
    22,675.30x = 293,742,472.05
  5. Step 5: Solve for x
    x = 293,742,472.05/22,675.30
  6. Step 6: Final answer
    x = 12,954.29

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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.