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Finding the Fourth Proportional to 17,951.23, 26,927.93 and 5,472.15

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Solution

The fourth proportional to 17,951.23, 26,927.93 and 5,472.15 is: 8,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.23 : 26,927.93 = 5,472.15 : x
  2. Step 2: Convert to fraction form
    17,951.23/26,927.93 = 5,472.15/x
  3. Step 3: Cross multiply
    17,951.23x = 26,927.93 × 5,472.15
  4. Step 4: Simplify right side
    17,951.23x = 147,353,672.15
  5. Step 5: Solve for x
    x = 147,353,672.15/17,951.23
  6. Step 6: Final answer
    x = 8,208.56

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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.