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Finding the Fourth Proportional to 8,086.61, 11,159.50 and 4,549.82

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Solution

The fourth proportional to 8,086.61, 11,159.50 and 4,549.82 is: 6,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086.61 : 11,159.50 = 4,549.82 : x
  2. Step 2: Convert to fraction form
    8,086.61/11,159.50 = 4,549.82/x
  3. Step 3: Cross multiply
    8,086.61x = 11,159.50 × 4,549.82
  4. Step 4: Simplify right side
    8,086.61x = 50,773,637.74
  5. Step 5: Solve for x
    x = 50,773,637.74/8,086.61
  6. Step 6: Final answer
    x = 6,278.73

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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.