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Finding the Fourth Proportional to 17,758.41, 26,623.94 and 6,664.85

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Solution

The fourth proportional to 17,758.41, 26,623.94 and 6,664.85 is: 9,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,758.41 : 26,623.94 = 6,664.85 : x
  2. Step 2: Convert to fraction form
    17,758.41/26,623.94 = 6,664.85/x
  3. Step 3: Cross multiply
    17,758.41x = 26,623.94 × 6,664.85
  4. Step 4: Simplify right side
    17,758.41x = 177,444,400.07
  5. Step 5: Solve for x
    x = 177,444,400.07/17,758.41
  6. Step 6: Final answer
    x = 9,992.13

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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.