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Finding the Fourth Proportional to 17,616.72, 26,425.54 and 6,942.64

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Solution

The fourth proportional to 17,616.72, 26,425.54 and 6,942.64 is: 10,414.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616.72 : 26,425.54 = 6,942.64 : x
  2. Step 2: Convert to fraction form
    17,616.72/26,425.54 = 6,942.64/x
  3. Step 3: Cross multiply
    17,616.72x = 26,425.54 × 6,942.64
  4. Step 4: Simplify right side
    17,616.72x = 183,463,011.03
  5. Step 5: Solve for x
    x = 183,463,011.03/17,616.72
  6. Step 6: Final answer
    x = 10,414.14

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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.