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Finding the Fourth Proportional to 5,508.81, 7,611.67 and 4,844.51

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Solution

The fourth proportional to 5,508.81, 7,611.67 and 4,844.51 is: 6,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.81 : 7,611.67 = 4,844.51 : x
  2. Step 2: Convert to fraction form
    5,508.81/7,611.67 = 4,844.51/x
  3. Step 3: Cross multiply
    5,508.81x = 7,611.67 × 4,844.51
  4. Step 4: Simplify right side
    5,508.81x = 36,874,807.97
  5. Step 5: Solve for x
    x = 36,874,807.97/5,508.81
  6. Step 6: Final answer
    x = 6,693.79

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Why These Related Problems?

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