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Finding the Fourth Proportional to 17,659.25, 26,485.97 and 5,813.18

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Solution

The fourth proportional to 17,659.25, 26,485.97 and 5,813.18 is: 8,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,659.25 : 26,485.97 = 5,813.18 : x
  2. Step 2: Convert to fraction form
    17,659.25/26,485.97 = 5,813.18/x
  3. Step 3: Cross multiply
    17,659.25x = 26,485.97 × 5,813.18
  4. Step 4: Simplify right side
    17,659.25x = 153,967,682.02
  5. Step 5: Solve for x
    x = 153,967,682.02/17,659.25
  6. Step 6: Final answer
    x = 8,718.81

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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.