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Finding the Fourth Proportional to 17,923.84, 26,852.72 and 8,553.76

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Solution

The fourth proportional to 17,923.84, 26,852.72 and 8,553.76 is: 12,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,923.84 : 26,852.72 = 8,553.76 : x
  2. Step 2: Convert to fraction form
    17,923.84/26,852.72 = 8,553.76/x
  3. Step 3: Cross multiply
    17,923.84x = 26,852.72 × 8,553.76
  4. Step 4: Simplify right side
    17,923.84x = 229,691,722.23
  5. Step 5: Solve for x
    x = 229,691,722.23/17,923.84
  6. Step 6: Final answer
    x = 12,814.87

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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.