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Finding the Fourth Proportional to 26,636.29, 39,954.44 and 7,916.26

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Solution

The fourth proportional to 26,636.29, 39,954.44 and 7,916.26 is: 11,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,636.29 : 39,954.44 = 7,916.26 : x
  2. Step 2: Convert to fraction form
    26,636.29/39,954.44 = 7,916.26/x
  3. Step 3: Cross multiply
    26,636.29x = 39,954.44 × 7,916.26
  4. Step 4: Simplify right side
    26,636.29x = 316,289,595.38
  5. Step 5: Solve for x
    x = 316,289,595.38/26,636.29
  6. Step 6: Final answer
    x = 11,874.38

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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.