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Finding the Fourth Proportional to 17,099.69, 25,639.88 and 11,769.12

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Solution

The fourth proportional to 17,099.69, 25,639.88 and 11,769.12 is: 17,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,099.69 : 25,639.88 = 11,769.12 : x
  2. Step 2: Convert to fraction form
    17,099.69/25,639.88 = 11,769.12/x
  3. Step 3: Cross multiply
    17,099.69x = 25,639.88 × 11,769.12
  4. Step 4: Simplify right side
    17,099.69x = 301,758,765.66
  5. Step 5: Solve for x
    x = 301,758,765.66/17,099.69
  6. Step 6: Final answer
    x = 17,647.04

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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.