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Finding the Fourth Proportional to 17,349.31, 23,941.92 and 9,391.51

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Solution

The fourth proportional to 17,349.31, 23,941.92 and 9,391.51 is: 12,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,349.31 : 23,941.92 = 9,391.51 : x
  2. Step 2: Convert to fraction form
    17,349.31/23,941.92 = 9,391.51/x
  3. Step 3: Cross multiply
    17,349.31x = 23,941.92 × 9,391.51
  4. Step 4: Simplify right side
    17,349.31x = 224,850,781.10
  5. Step 5: Solve for x
    x = 224,850,781.10/17,349.31
  6. Step 6: Final answer
    x = 12,960.21

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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.