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Finding the Fourth Proportional to 5,665.88, 8,495.99 and 1,967.12

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Solution

The fourth proportional to 5,665.88, 8,495.99 and 1,967.12 is: 2,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.88 : 8,495.99 = 1,967.12 : x
  2. Step 2: Convert to fraction form
    5,665.88/8,495.99 = 1,967.12/x
  3. Step 3: Cross multiply
    5,665.88x = 8,495.99 × 1,967.12
  4. Step 4: Simplify right side
    5,665.88x = 16,712,618.77
  5. Step 5: Solve for x
    x = 16,712,618.77/5,665.88
  6. Step 6: Final answer
    x = 2,949.69

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