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Finding the Fourth Proportional to 17,673.69, 26,452.85 and 12,992.46

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Solution

The fourth proportional to 17,673.69, 26,452.85 and 12,992.46 is: 19,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,673.69 : 26,452.85 = 12,992.46 : x
  2. Step 2: Convert to fraction form
    17,673.69/26,452.85 = 12,992.46/x
  3. Step 3: Cross multiply
    17,673.69x = 26,452.85 × 12,992.46
  4. Step 4: Simplify right side
    17,673.69x = 343,687,530.55
  5. Step 5: Solve for x
    x = 343,687,530.55/17,673.69
  6. Step 6: Final answer
    x = 19,446.28

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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.