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Finding the Fourth Proportional to 16,954.61, 25,401.42 and 15,954.23

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Solution

The fourth proportional to 16,954.61, 25,401.42 and 15,954.23 is: 23,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,954.61 : 25,401.42 = 15,954.23 : x
  2. Step 2: Convert to fraction form
    16,954.61/25,401.42 = 15,954.23/x
  3. Step 3: Cross multiply
    16,954.61x = 25,401.42 × 15,954.23
  4. Step 4: Simplify right side
    16,954.61x = 405,260,160.51
  5. Step 5: Solve for x
    x = 405,260,160.51/16,954.61
  6. Step 6: Final answer
    x = 23,902.65

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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.