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Finding the Fourth Proportional to 5,273.58, 7,916.48 and 3,083.88

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Solution

The fourth proportional to 5,273.58, 7,916.48 and 3,083.88 is: 4,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.58 : 7,916.48 = 3,083.88 : x
  2. Step 2: Convert to fraction form
    5,273.58/7,916.48 = 3,083.88/x
  3. Step 3: Cross multiply
    5,273.58x = 7,916.48 × 3,083.88
  4. Step 4: Simplify right side
    5,273.58x = 24,413,482.05
  5. Step 5: Solve for x
    x = 24,413,482.05/5,273.58
  6. Step 6: Final answer
    x = 4,629.39

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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.