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Finding the Fourth Proportional to 50,891.90, 76,310.10 and 17,609.20

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Solution

The fourth proportional to 50,891.90, 76,310.10 and 17,609.20 is: 26,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,891.90 : 76,310.10 = 17,609.20 : x
  2. Step 2: Convert to fraction form
    50,891.90/76,310.10 = 17,609.20/x
  3. Step 3: Cross multiply
    50,891.90x = 76,310.10 × 17,609.20
  4. Step 4: Simplify right side
    50,891.90x = 1,343,759,622.14
  5. Step 5: Solve for x
    x = 1,343,759,622.14/50,891.90
  6. Step 6: Final answer
    x = 26,404.20

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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.