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Finding the Fourth Proportional to 17,951.83, 26,903.98 and 13,775.88

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Solution

The fourth proportional to 17,951.83, 26,903.98 and 13,775.88 is: 20,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.83 : 26,903.98 = 13,775.88 : x
  2. Step 2: Convert to fraction form
    17,951.83/26,903.98 = 13,775.88/x
  3. Step 3: Cross multiply
    17,951.83x = 26,903.98 × 13,775.88
  4. Step 4: Simplify right side
    17,951.83x = 370,626,000.00
  5. Step 5: Solve for x
    x = 370,626,000.00/17,951.83
  6. Step 6: Final answer
    x = 20,645.58

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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.