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Finding the Fourth Proportional to 17,950.89, 26,926.35 and 5,638.89

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Solution

The fourth proportional to 17,950.89, 26,926.35 and 5,638.89 is: 8,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,950.89 : 26,926.35 = 5,638.89 : x
  2. Step 2: Convert to fraction form
    17,950.89/26,926.35 = 5,638.89/x
  3. Step 3: Cross multiply
    17,950.89x = 26,926.35 × 5,638.89
  4. Step 4: Simplify right side
    17,950.89x = 151,834,725.75
  5. Step 5: Solve for x
    x = 151,834,725.75/17,950.89
  6. Step 6: Final answer
    x = 8,458.34

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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.