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Finding the Fourth Proportional to 18,575.92, 27,900.33 and 14,424.27

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Solution

The fourth proportional to 18,575.92, 27,900.33 and 14,424.27 is: 21,664.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.92 : 27,900.33 = 14,424.27 : x
  2. Step 2: Convert to fraction form
    18,575.92/27,900.33 = 14,424.27/x
  3. Step 3: Cross multiply
    18,575.92x = 27,900.33 × 14,424.27
  4. Step 4: Simplify right side
    18,575.92x = 402,441,893.01
  5. Step 5: Solve for x
    x = 402,441,893.01/18,575.92
  6. Step 6: Final answer
    x = 21,664.71

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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.