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Finding the Fourth Proportional to 17,219.76, 25,834.68 and 8,904.48

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Solution

The fourth proportional to 17,219.76, 25,834.68 and 8,904.48 is: 13,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.76 : 25,834.68 = 8,904.48 : x
  2. Step 2: Convert to fraction form
    17,219.76/25,834.68 = 8,904.48/x
  3. Step 3: Cross multiply
    17,219.76x = 25,834.68 × 8,904.48
  4. Step 4: Simplify right side
    17,219.76x = 230,044,391.37
  5. Step 5: Solve for x
    x = 230,044,391.37/17,219.76
  6. Step 6: Final answer
    x = 13,359.33

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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.