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Finding the Fourth Proportional to 17,945.46, 26,915.06 and 5,462.46

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Solution

The fourth proportional to 17,945.46, 26,915.06 and 5,462.46 is: 8,192.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.46 : 26,915.06 = 5,462.46 : x
  2. Step 2: Convert to fraction form
    17,945.46/26,915.06 = 5,462.46/x
  3. Step 3: Cross multiply
    17,945.46x = 26,915.06 × 5,462.46
  4. Step 4: Simplify right side
    17,945.46x = 147,022,438.65
  5. Step 5: Solve for x
    x = 147,022,438.65/17,945.46
  6. Step 6: Final answer
    x = 8,192.74

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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.