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Finding the Fourth Proportional to 17,745.86, 26,601.78 and 11,904.14

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Solution

The fourth proportional to 17,745.86, 26,601.78 and 11,904.14 is: 17,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.86 : 26,601.78 = 11,904.14 : x
  2. Step 2: Convert to fraction form
    17,745.86/26,601.78 = 11,904.14/x
  3. Step 3: Cross multiply
    17,745.86x = 26,601.78 × 11,904.14
  4. Step 4: Simplify right side
    17,745.86x = 316,671,313.37
  5. Step 5: Solve for x
    x = 316,671,313.37/17,745.86
  6. Step 6: Final answer
    x = 17,844.80

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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.