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Finding the Fourth Proportional to 16,958.88, 23,403.18 and 9,506.88

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Solution

The fourth proportional to 16,958.88, 23,403.18 and 9,506.88 is: 13,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.88 : 23,403.18 = 9,506.88 : x
  2. Step 2: Convert to fraction form
    16,958.88/23,403.18 = 9,506.88/x
  3. Step 3: Cross multiply
    16,958.88x = 23,403.18 × 9,506.88
  4. Step 4: Simplify right side
    16,958.88x = 222,491,223.88
  5. Step 5: Solve for x
    x = 222,491,223.88/16,958.88
  6. Step 6: Final answer
    x = 13,119.45

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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.