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Finding the Fourth Proportional to 17,951.35, 26,852.02 and 12,614.16

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Solution

The fourth proportional to 17,951.35, 26,852.02 and 12,614.16 is: 18,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.35 : 26,852.02 = 12,614.16 : x
  2. Step 2: Convert to fraction form
    17,951.35/26,852.02 = 12,614.16/x
  3. Step 3: Cross multiply
    17,951.35x = 26,852.02 × 12,614.16
  4. Step 4: Simplify right side
    17,951.35x = 338,715,573.88
  5. Step 5: Solve for x
    x = 338,715,573.88/17,951.35
  6. Step 6: Final answer
    x = 18,868.53

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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.