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Finding the Fourth Proportional to 17,967.70, 24,788.61 and 10,891.54

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Solution

The fourth proportional to 17,967.70, 24,788.61 and 10,891.54 is: 15,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967.70 : 24,788.61 = 10,891.54 : x
  2. Step 2: Convert to fraction form
    17,967.70/24,788.61 = 10,891.54/x
  3. Step 3: Cross multiply
    17,967.70x = 24,788.61 × 10,891.54
  4. Step 4: Simplify right side
    17,967.70x = 269,986,137.36
  5. Step 5: Solve for x
    x = 269,986,137.36/17,967.70
  6. Step 6: Final answer
    x = 15,026.19

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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.