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Finding the Fourth Proportional to 17,358.92, 26,039.60 and 8,591.48

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Solution

The fourth proportional to 17,358.92, 26,039.60 and 8,591.48 is: 12,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,358.92 : 26,039.60 = 8,591.48 : x
  2. Step 2: Convert to fraction form
    17,358.92/26,039.60 = 8,591.48/x
  3. Step 3: Cross multiply
    17,358.92x = 26,039.60 × 8,591.48
  4. Step 4: Simplify right side
    17,358.92x = 223,718,829.96
  5. Step 5: Solve for x
    x = 223,718,829.96/17,358.92
  6. Step 6: Final answer
    x = 12,887.83

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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.