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Finding the Fourth Proportional to 16,790.66, 25,190.86 and 6,928.10

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Solution

The fourth proportional to 16,790.66, 25,190.86 and 6,928.10 is: 10,394.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.66 : 25,190.86 = 6,928.10 : x
  2. Step 2: Convert to fraction form
    16,790.66/25,190.86 = 6,928.10/x
  3. Step 3: Cross multiply
    16,790.66x = 25,190.86 × 6,928.10
  4. Step 4: Simplify right side
    16,790.66x = 174,524,797.17
  5. Step 5: Solve for x
    x = 174,524,797.17/16,790.66
  6. Step 6: Final answer
    x = 10,394.16

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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.