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Finding the Fourth Proportional to 16,693.84, 25,049.27 and 7,928.83

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Solution

The fourth proportional to 16,693.84, 25,049.27 and 7,928.83 is: 11,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693.84 : 25,049.27 = 7,928.83 : x
  2. Step 2: Convert to fraction form
    16,693.84/25,049.27 = 7,928.83/x
  3. Step 3: Cross multiply
    16,693.84x = 25,049.27 × 7,928.83
  4. Step 4: Simplify right side
    16,693.84x = 198,611,403.45
  5. Step 5: Solve for x
    x = 198,611,403.45/16,693.84
  6. Step 6: Final answer
    x = 11,897.29

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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.