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Finding the Fourth Proportional to 17,358.94, 26,039.63 and 8,591.50

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Solution

The fourth proportional to 17,358.94, 26,039.63 and 8,591.50 is: 12,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,358.94 : 26,039.63 = 8,591.50 : x
  2. Step 2: Convert to fraction form
    17,358.94/26,039.63 = 8,591.50/x
  3. Step 3: Cross multiply
    17,358.94x = 26,039.63 × 8,591.50
  4. Step 4: Simplify right side
    17,358.94x = 223,719,481.15
  5. Step 5: Solve for x
    x = 223,719,481.15/17,358.94
  6. Step 6: Final answer
    x = 12,887.85

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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.