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Finding the Fourth Proportional to 17,354.79, 26,063.97 and 15,890.88

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Solution

The fourth proportional to 17,354.79, 26,063.97 and 15,890.88 is: 23,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,354.79 : 26,063.97 = 15,890.88 : x
  2. Step 2: Convert to fraction form
    17,354.79/26,063.97 = 15,890.88/x
  3. Step 3: Cross multiply
    17,354.79x = 26,063.97 × 15,890.88
  4. Step 4: Simplify right side
    17,354.79x = 414,179,419.59
  5. Step 5: Solve for x
    x = 414,179,419.59/17,354.79
  6. Step 6: Final answer
    x = 23,865.42

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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.