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Finding the Fourth Proportional to 32,428.72, 48,643.08 and 18,568

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Solution

The fourth proportional to 32,428.72, 48,643.08 and 18,568 is: 27,852

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428.72 : 48,643.08 = 18,568 : x
  2. Step 2: Convert to fraction form
    32,428.72/48,643.08 = 18,568/x
  3. Step 3: Cross multiply
    32,428.72x = 48,643.08 × 18,568
  4. Step 4: Simplify right side
    32,428.72x = 903,204,709.44
  5. Step 5: Solve for x
    x = 903,204,709.44/32,428.72
  6. Step 6: Final answer
    x = 27,852

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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.