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Finding the Fourth Proportional to 16,992.88, 25,496.90 and 8,668.51

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Solution

The fourth proportional to 16,992.88, 25,496.90 and 8,668.51 is: 13,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,992.88 : 25,496.90 = 8,668.51 : x
  2. Step 2: Convert to fraction form
    16,992.88/25,496.90 = 8,668.51/x
  3. Step 3: Cross multiply
    16,992.88x = 25,496.90 × 8,668.51
  4. Step 4: Simplify right side
    16,992.88x = 221,020,090.55
  5. Step 5: Solve for x
    x = 221,020,090.55/16,992.88
  6. Step 6: Final answer
    x = 13,006.63

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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.