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Finding the Fourth Proportional to 17,187.30, 25,800.15 and 16,059.30

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Solution

The fourth proportional to 17,187.30, 25,800.15 and 16,059.30 is: 24,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.30 : 25,800.15 = 16,059.30 : x
  2. Step 2: Convert to fraction form
    17,187.30/25,800.15 = 16,059.30/x
  3. Step 3: Cross multiply
    17,187.30x = 25,800.15 × 16,059.30
  4. Step 4: Simplify right side
    17,187.30x = 414,332,348.90
  5. Step 5: Solve for x
    x = 414,332,348.90/17,187.30
  6. Step 6: Final answer
    x = 24,106.89

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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.