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Finding the Fourth Proportional to 17,110.91, 25,679.95 and 7,751.59

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Solution

The fourth proportional to 17,110.91, 25,679.95 and 7,751.59 is: 11,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,110.91 : 25,679.95 = 7,751.59 : x
  2. Step 2: Convert to fraction form
    17,110.91/25,679.95 = 7,751.59/x
  3. Step 3: Cross multiply
    17,110.91x = 25,679.95 × 7,751.59
  4. Step 4: Simplify right side
    17,110.91x = 199,060,360.04
  5. Step 5: Solve for x
    x = 199,060,360.04/17,110.91
  6. Step 6: Final answer
    x = 11,633.53

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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.