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Finding the Fourth Proportional to 8,159.13, 11,260.62 and 4,623.48

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Solution

The fourth proportional to 8,159.13, 11,260.62 and 4,623.48 is: 6,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.13 : 11,260.62 = 4,623.48 : x
  2. Step 2: Convert to fraction form
    8,159.13/11,260.62 = 4,623.48/x
  3. Step 3: Cross multiply
    8,159.13x = 11,260.62 × 4,623.48
  4. Step 4: Simplify right side
    8,159.13x = 52,063,251.36
  5. Step 5: Solve for x
    x = 52,063,251.36/8,159.13
  6. Step 6: Final answer
    x = 6,380.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.