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Finding the Fourth Proportional to 17,313.92, 25,977.06 and 5,627.18

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Solution

The fourth proportional to 17,313.92, 25,977.06 and 5,627.18 is: 8,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,313.92 : 25,977.06 = 5,627.18 : x
  2. Step 2: Convert to fraction form
    17,313.92/25,977.06 = 5,627.18/x
  3. Step 3: Cross multiply
    17,313.92x = 25,977.06 × 5,627.18
  4. Step 4: Simplify right side
    17,313.92x = 146,177,592.49
  5. Step 5: Solve for x
    x = 146,177,592.49/17,313.92
  6. Step 6: Final answer
    x = 8,442.78

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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.