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Finding the Fourth Proportional to 17,313.92, 25,973.16 and 7,951.76

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Solution

The fourth proportional to 17,313.92, 25,973.16 and 7,951.76 is: 11,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,313.92 : 25,973.16 = 7,951.76 : x
  2. Step 2: Convert to fraction form
    17,313.92/25,973.16 = 7,951.76/x
  3. Step 3: Cross multiply
    17,313.92x = 25,973.16 × 7,951.76
  4. Step 4: Simplify right side
    17,313.92x = 206,532,334.76
  5. Step 5: Solve for x
    x = 206,532,334.76/17,313.92
  6. Step 6: Final answer
    x = 11,928.69

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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.