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Finding the Fourth Proportional to 18,256.93, 27,389.09 and 7,726.93

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Solution

The fourth proportional to 18,256.93, 27,389.09 and 7,726.93 is: 11,591.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.93 : 27,389.09 = 7,726.93 : x
  2. Step 2: Convert to fraction form
    18,256.93/27,389.09 = 7,726.93/x
  3. Step 3: Cross multiply
    18,256.93x = 27,389.09 × 7,726.93
  4. Step 4: Simplify right side
    18,256.93x = 211,633,537.30
  5. Step 5: Solve for x
    x = 211,633,537.30/18,256.93
  6. Step 6: Final answer
    x = 11,591.96

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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.