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Finding the Fourth Proportional to 16,832.70, 25,228.80 and 6,966.90

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Solution

The fourth proportional to 16,832.70, 25,228.80 and 6,966.90 is: 10,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,832.70 : 25,228.80 = 6,966.90 : x
  2. Step 2: Convert to fraction form
    16,832.70/25,228.80 = 6,966.90/x
  3. Step 3: Cross multiply
    16,832.70x = 25,228.80 × 6,966.90
  4. Step 4: Simplify right side
    16,832.70x = 175,766,526.72
  5. Step 5: Solve for x
    x = 175,766,526.72/16,832.70
  6. Step 6: Final answer
    x = 10,441.97

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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.