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Finding the Fourth Proportional to 16,829.30, 25,243.94 and 4,517.30

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Solution

The fourth proportional to 16,829.30, 25,243.94 and 4,517.30 is: 6,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,829.30 : 25,243.94 = 4,517.30 : x
  2. Step 2: Convert to fraction form
    16,829.30/25,243.94 = 4,517.30/x
  3. Step 3: Cross multiply
    16,829.30x = 25,243.94 × 4,517.30
  4. Step 4: Simplify right side
    16,829.30x = 114,034,450.16
  5. Step 5: Solve for x
    x = 114,034,450.16/16,829.30
  6. Step 6: Final answer
    x = 6,775.95

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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.