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Finding the Fourth Proportional to 17,349.84, 23,942.64 and 9,391.92

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Solution

The fourth proportional to 17,349.84, 23,942.64 and 9,391.92 is: 12,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,349.84 : 23,942.64 = 9,391.92 : x
  2. Step 2: Convert to fraction form
    17,349.84/23,942.64 = 9,391.92/x
  3. Step 3: Cross multiply
    17,349.84x = 23,942.64 × 9,391.92
  4. Step 4: Simplify right side
    17,349.84x = 224,867,359.47
  5. Step 5: Solve for x
    x = 224,867,359.47/17,349.84
  6. Step 6: Final answer
    x = 12,960.77

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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.