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Finding the Fourth Proportional to 17,877.92, 26,828.96 and 7,349.84

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Solution

The fourth proportional to 17,877.92, 26,828.96 and 7,349.84 is: 11,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,877.92 : 26,828.96 = 7,349.84 : x
  2. Step 2: Convert to fraction form
    17,877.92/26,828.96 = 7,349.84/x
  3. Step 3: Cross multiply
    17,877.92x = 26,828.96 × 7,349.84
  4. Step 4: Simplify right side
    17,877.92x = 197,188,563.37
  5. Step 5: Solve for x
    x = 197,188,563.37/17,877.92
  6. Step 6: Final answer
    x = 11,029.73

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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.