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Finding the Fourth Proportional to 17,996.46, 26,981.34 and 8,627.54

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Solution

The fourth proportional to 17,996.46, 26,981.34 and 8,627.54 is: 12,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,996.46 : 26,981.34 = 8,627.54 : x
  2. Step 2: Convert to fraction form
    17,996.46/26,981.34 = 8,627.54/x
  3. Step 3: Cross multiply
    17,996.46x = 26,981.34 × 8,627.54
  4. Step 4: Simplify right side
    17,996.46x = 232,782,590.10
  5. Step 5: Solve for x
    x = 232,782,590.10/17,996.46
  6. Step 6: Final answer
    x = 12,934.91

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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.