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Finding the Fourth Proportional to 17,098.97, 25,651.08 and 7,240.86

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Solution

The fourth proportional to 17,098.97, 25,651.08 and 7,240.86 is: 10,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,098.97 : 25,651.08 = 7,240.86 : x
  2. Step 2: Convert to fraction form
    17,098.97/25,651.08 = 7,240.86/x
  3. Step 3: Cross multiply
    17,098.97x = 25,651.08 × 7,240.86
  4. Step 4: Simplify right side
    17,098.97x = 185,735,879.13
  5. Step 5: Solve for x
    x = 185,735,879.13/17,098.97
  6. Step 6: Final answer
    x = 10,862.40

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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.