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Finding the Fourth Proportional to 10,729.89, 14,807.48 and 6,015.69

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Solution

The fourth proportional to 10,729.89, 14,807.48 and 6,015.69 is: 8,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.89 : 14,807.48 = 6,015.69 : x
  2. Step 2: Convert to fraction form
    10,729.89/14,807.48 = 6,015.69/x
  3. Step 3: Cross multiply
    10,729.89x = 14,807.48 × 6,015.69
  4. Step 4: Simplify right side
    10,729.89x = 89,077,179.28
  5. Step 5: Solve for x
    x = 89,077,179.28/10,729.89
  6. Step 6: Final answer
    x = 8,301.78

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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.