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Finding the Fourth Proportional to 18,588.98, 27,897.24 and 11,579.24

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Solution

The fourth proportional to 18,588.98, 27,897.24 and 11,579.24 is: 17,377.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.98 : 27,897.24 = 11,579.24 : x
  2. Step 2: Convert to fraction form
    18,588.98/27,897.24 = 11,579.24/x
  3. Step 3: Cross multiply
    18,588.98x = 27,897.24 × 11,579.24
  4. Step 4: Simplify right side
    18,588.98x = 323,028,697.81
  5. Step 5: Solve for x
    x = 323,028,697.81/18,588.98
  6. Step 6: Final answer
    x = 17,377.43

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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.