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Finding the Fourth Proportional to 17,945.48, 26,915.04 and 5,462.48

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Solution

The fourth proportional to 17,945.48, 26,915.04 and 5,462.48 is: 8,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.48 : 26,915.04 = 5,462.48 : x
  2. Step 2: Convert to fraction form
    17,945.48/26,915.04 = 5,462.48/x
  3. Step 3: Cross multiply
    17,945.48x = 26,915.04 × 5,462.48
  4. Step 4: Simplify right side
    17,945.48x = 147,022,867.70
  5. Step 5: Solve for x
    x = 147,022,867.70/17,945.48
  6. Step 6: Final answer
    x = 8,192.75

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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.