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Finding the Fourth Proportional to 12,726.52, 19,091.09 and 4,406.52

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Solution

The fourth proportional to 12,726.52, 19,091.09 and 4,406.52 is: 6,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.52 : 19,091.09 = 4,406.52 : x
  2. Step 2: Convert to fraction form
    12,726.52/19,091.09 = 4,406.52/x
  3. Step 3: Cross multiply
    12,726.52x = 19,091.09 × 4,406.52
  4. Step 4: Simplify right side
    12,726.52x = 84,125,269.91
  5. Step 5: Solve for x
    x = 84,125,269.91/12,726.52
  6. Step 6: Final answer
    x = 6,610.23

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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.