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Finding the Fourth Proportional to 17,129.62, 23,638.44 and 10,415.44

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Solution

The fourth proportional to 17,129.62, 23,638.44 and 10,415.44 is: 14,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.62 : 23,638.44 = 10,415.44 : x
  2. Step 2: Convert to fraction form
    17,129.62/23,638.44 = 10,415.44/x
  3. Step 3: Cross multiply
    17,129.62x = 23,638.44 × 10,415.44
  4. Step 4: Simplify right side
    17,129.62x = 246,204,753.51
  5. Step 5: Solve for x
    x = 246,204,753.51/17,129.62
  6. Step 6: Final answer
    x = 14,373.04

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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.