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Finding the Fourth Proportional to 17,121.66, 23,625.99 and 9,669.66

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Solution

The fourth proportional to 17,121.66, 23,625.99 and 9,669.66 is: 13,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.66 : 23,625.99 = 9,669.66 : x
  2. Step 2: Convert to fraction form
    17,121.66/23,625.99 = 9,669.66/x
  3. Step 3: Cross multiply
    17,121.66x = 23,625.99 × 9,669.66
  4. Step 4: Simplify right side
    17,121.66x = 228,455,290.46
  5. Step 5: Solve for x
    x = 228,455,290.46/17,121.66
  6. Step 6: Final answer
    x = 13,343.06

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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.