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Finding the Fourth Proportional to 8,726.40, 13,063.88 and 5,759.37

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Solution

The fourth proportional to 8,726.40, 13,063.88 and 5,759.37 is: 8,622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.40 : 13,063.88 = 5,759.37 : x
  2. Step 2: Convert to fraction form
    8,726.40/13,063.88 = 5,759.37/x
  3. Step 3: Cross multiply
    8,726.40x = 13,063.88 × 5,759.37
  4. Step 4: Simplify right side
    8,726.40x = 75,239,732.95
  5. Step 5: Solve for x
    x = 75,239,732.95/8,726.40
  6. Step 6: Final answer
    x = 8,622.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.