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Finding the Fourth Proportional to 47,371.52, 71,019.81 and 17,786.07

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Solution

The fourth proportional to 47,371.52, 71,019.81 and 17,786.07 is: 26,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,371.52 : 71,019.81 = 17,786.07 : x
  2. Step 2: Convert to fraction form
    47,371.52/71,019.81 = 17,786.07/x
  3. Step 3: Cross multiply
    47,371.52x = 71,019.81 × 17,786.07
  4. Step 4: Simplify right side
    47,371.52x = 1,263,163,312.05
  5. Step 5: Solve for x
    x = 1,263,163,312.05/47,371.52
  6. Step 6: Final answer
    x = 26,665.04

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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.