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Finding the Fourth Proportional to 5,916.78, 8,873.01 and 1,967.31

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Solution

The fourth proportional to 5,916.78, 8,873.01 and 1,967.31 is: 2,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.78 : 8,873.01 = 1,967.31 : x
  2. Step 2: Convert to fraction form
    5,916.78/8,873.01 = 1,967.31/x
  3. Step 3: Cross multiply
    5,916.78x = 8,873.01 × 1,967.31
  4. Step 4: Simplify right side
    5,916.78x = 17,455,961.30
  5. Step 5: Solve for x
    x = 17,455,961.30/5,916.78
  6. Step 6: Final answer
    x = 2,950.25

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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.