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Finding the Fourth Proportional to 11,371.52, 17,060.52 and 8,254.64

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Solution

The fourth proportional to 11,371.52, 17,060.52 and 8,254.64 is: 12,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.52 : 17,060.52 = 8,254.64 : x
  2. Step 2: Convert to fraction form
    11,371.52/17,060.52 = 8,254.64/x
  3. Step 3: Cross multiply
    11,371.52x = 17,060.52 × 8,254.64
  4. Step 4: Simplify right side
    11,371.52x = 140,828,450.81
  5. Step 5: Solve for x
    x = 140,828,450.81/11,371.52
  6. Step 6: Final answer
    x = 12,384.31

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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.