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Finding the Fourth Proportional to 18,476.40, 25,467.96 and 16,950.96

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Solution

The fourth proportional to 18,476.40, 25,467.96 and 16,950.96 is: 23,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476.40 : 25,467.96 = 16,950.96 : x
  2. Step 2: Convert to fraction form
    18,476.40/25,467.96 = 16,950.96/x
  3. Step 3: Cross multiply
    18,476.40x = 25,467.96 × 16,950.96
  4. Step 4: Simplify right side
    18,476.40x = 431,706,371.24
  5. Step 5: Solve for x
    x = 431,706,371.24/18,476.40
  6. Step 6: Final answer
    x = 23,365.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.