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Finding the Fourth Proportional to 8,726.73, 13,077.73 and 5,029.89

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Solution

The fourth proportional to 8,726.73, 13,077.73 and 5,029.89 is: 7,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.73 : 13,077.73 = 5,029.89 : x
  2. Step 2: Convert to fraction form
    8,726.73/13,077.73 = 5,029.89/x
  3. Step 3: Cross multiply
    8,726.73x = 13,077.73 × 5,029.89
  4. Step 4: Simplify right side
    8,726.73x = 65,779,543.35
  5. Step 5: Solve for x
    x = 65,779,543.35/8,726.73
  6. Step 6: Final answer
    x = 7,537.71

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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.