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Finding the Fourth Proportional to 17,904.43, 26,857.05 and 4,758.13

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Solution

The fourth proportional to 17,904.43, 26,857.05 and 4,758.13 is: 7,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904.43 : 26,857.05 = 4,758.13 : x
  2. Step 2: Convert to fraction form
    17,904.43/26,857.05 = 4,758.13/x
  3. Step 3: Cross multiply
    17,904.43x = 26,857.05 × 4,758.13
  4. Step 4: Simplify right side
    17,904.43x = 127,789,335.32
  5. Step 5: Solve for x
    x = 127,789,335.32/17,904.43
  6. Step 6: Final answer
    x = 7,137.30

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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.