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Finding the Fourth Proportional to 16,791.66, 25,192.36 and 6,929.10

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Solution

The fourth proportional to 16,791.66, 25,192.36 and 6,929.10 is: 10,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.66 : 25,192.36 = 6,929.10 : x
  2. Step 2: Convert to fraction form
    16,791.66/25,192.36 = 6,929.10/x
  3. Step 3: Cross multiply
    16,791.66x = 25,192.36 × 6,929.10
  4. Step 4: Simplify right side
    16,791.66x = 174,560,381.68
  5. Step 5: Solve for x
    x = 174,560,381.68/16,791.66
  6. Step 6: Final answer
    x = 10,395.66

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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.