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Finding the Fourth Proportional to 11,866.53, 17,799.66 and 4,850.31

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Solution

The fourth proportional to 11,866.53, 17,799.66 and 4,850.31 is: 7,275.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866.53 : 17,799.66 = 4,850.31 : x
  2. Step 2: Convert to fraction form
    11,866.53/17,799.66 = 4,850.31/x
  3. Step 3: Cross multiply
    11,866.53x = 17,799.66 × 4,850.31
  4. Step 4: Simplify right side
    11,866.53x = 86,333,868.89
  5. Step 5: Solve for x
    x = 86,333,868.89/11,866.53
  6. Step 6: Final answer
    x = 7,275.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.