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Finding the Fourth Proportional to 16,601.64, 22,918.68 and 10,940.10

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Solution

The fourth proportional to 16,601.64, 22,918.68 and 10,940.10 is: 15,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,601.64 : 22,918.68 = 10,940.10 : x
  2. Step 2: Convert to fraction form
    16,601.64/22,918.68 = 10,940.10/x
  3. Step 3: Cross multiply
    16,601.64x = 22,918.68 × 10,940.10
  4. Step 4: Simplify right side
    16,601.64x = 250,732,651.07
  5. Step 5: Solve for x
    x = 250,732,651.07/16,601.64
  6. Step 6: Final answer
    x = 15,102.88

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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.