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Finding the Fourth Proportional to 17,086.23, 25,633.49 and 8,319.15

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Solution

The fourth proportional to 17,086.23, 25,633.49 and 8,319.15 is: 12,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.23 : 25,633.49 = 8,319.15 : x
  2. Step 2: Convert to fraction form
    17,086.23/25,633.49 = 8,319.15/x
  3. Step 3: Cross multiply
    17,086.23x = 25,633.49 × 8,319.15
  4. Step 4: Simplify right side
    17,086.23x = 213,248,806.74
  5. Step 5: Solve for x
    x = 213,248,806.74/17,086.23
  6. Step 6: Final answer
    x = 12,480.74

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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.