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Finding the Fourth Proportional to 16,954.26, 25,431.12 and 4,642.26

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Solution

The fourth proportional to 16,954.26, 25,431.12 and 4,642.26 is: 6,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,954.26 : 25,431.12 = 4,642.26 : x
  2. Step 2: Convert to fraction form
    16,954.26/25,431.12 = 4,642.26/x
  3. Step 3: Cross multiply
    16,954.26x = 25,431.12 × 4,642.26
  4. Step 4: Simplify right side
    16,954.26x = 118,057,871.13
  5. Step 5: Solve for x
    x = 118,057,871.13/16,954.26
  6. Step 6: Final answer
    x = 6,963.32

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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.