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Finding the Fourth Proportional to 16,684.13, 25,028.93 and 7,914.26

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Solution

The fourth proportional to 16,684.13, 25,028.93 and 7,914.26 is: 11,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,684.13 : 25,028.93 = 7,914.26 : x
  2. Step 2: Convert to fraction form
    16,684.13/25,028.93 = 7,914.26/x
  3. Step 3: Cross multiply
    16,684.13x = 25,028.93 × 7,914.26
  4. Step 4: Simplify right side
    16,684.13x = 198,085,459.54
  5. Step 5: Solve for x
    x = 198,085,459.54/16,684.13
  6. Step 6: Final answer
    x = 11,872.69

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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.