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Finding the Fourth Proportional to 16,908.54, 25,361.73 and 5,820.54

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Solution

The fourth proportional to 16,908.54, 25,361.73 and 5,820.54 is: 8,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.54 : 25,361.73 = 5,820.54 : x
  2. Step 2: Convert to fraction form
    16,908.54/25,361.73 = 5,820.54/x
  3. Step 3: Cross multiply
    16,908.54x = 25,361.73 × 5,820.54
  4. Step 4: Simplify right side
    16,908.54x = 147,618,963.93
  5. Step 5: Solve for x
    x = 147,618,963.93/16,908.54
  6. Step 6: Final answer
    x = 8,730.44

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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.