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Finding the Fourth Proportional to 17,216.97, 25,839.29 and 8,899.42

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Solution

The fourth proportional to 17,216.97, 25,839.29 and 8,899.42 is: 13,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,216.97 : 25,839.29 = 8,899.42 : x
  2. Step 2: Convert to fraction form
    17,216.97/25,839.29 = 8,899.42/x
  3. Step 3: Cross multiply
    17,216.97x = 25,839.29 × 8,899.42
  4. Step 4: Simplify right side
    17,216.97x = 229,954,748.76
  5. Step 5: Solve for x
    x = 229,954,748.76/17,216.97
  6. Step 6: Final answer
    x = 13,356.28

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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.