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Finding the Fourth Proportional to 17,992.20, 24,912.18 and 17,070.60

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Solution

The fourth proportional to 17,992.20, 24,912.18 and 17,070.60 is: 23,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.20 : 24,912.18 = 17,070.60 : x
  2. Step 2: Convert to fraction form
    17,992.20/24,912.18 = 17,070.60/x
  3. Step 3: Cross multiply
    17,992.20x = 24,912.18 × 17,070.60
  4. Step 4: Simplify right side
    17,992.20x = 425,265,859.91
  5. Step 5: Solve for x
    x = 425,265,859.91/17,992.20
  6. Step 6: Final answer
    x = 23,636.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.