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Finding the Fourth Proportional to 8,741.72, 12,061.32 and 4,964.96

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Solution

The fourth proportional to 8,741.72, 12,061.32 and 4,964.96 is: 6,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.72 : 12,061.32 = 4,964.96 : x
  2. Step 2: Convert to fraction form
    8,741.72/12,061.32 = 4,964.96/x
  3. Step 3: Cross multiply
    8,741.72x = 12,061.32 × 4,964.96
  4. Step 4: Simplify right side
    8,741.72x = 59,883,971.35
  5. Step 5: Solve for x
    x = 59,883,971.35/8,741.72
  6. Step 6: Final answer
    x = 6,850.36

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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.