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Finding the Fourth Proportional to 17,100.99, 25,651.23 and 8,776.21

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Solution

The fourth proportional to 17,100.99, 25,651.23 and 8,776.21 is: 13,164.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100.99 : 25,651.23 = 8,776.21 : x
  2. Step 2: Convert to fraction form
    17,100.99/25,651.23 = 8,776.21/x
  3. Step 3: Cross multiply
    17,100.99x = 25,651.23 × 8,776.21
  4. Step 4: Simplify right side
    17,100.99x = 225,120,581.24
  5. Step 5: Solve for x
    x = 225,120,581.24/17,100.99
  6. Step 6: Final answer
    x = 13,164.18

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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.