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Finding the Fourth Proportional to 17,615.86, 26,409.92 and 8,734.26

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Solution

The fourth proportional to 17,615.86, 26,409.92 and 8,734.26 is: 13,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615.86 : 26,409.92 = 8,734.26 : x
  2. Step 2: Convert to fraction form
    17,615.86/26,409.92 = 8,734.26/x
  3. Step 3: Cross multiply
    17,615.86x = 26,409.92 × 8,734.26
  4. Step 4: Simplify right side
    17,615.86x = 230,671,107.86
  5. Step 5: Solve for x
    x = 230,671,107.86/17,615.86
  6. Step 6: Final answer
    x = 13,094.51

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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.