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Finding the Fourth Proportional to 5,350.79, 8,026.18 and 1,455.19

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Solution

The fourth proportional to 5,350.79, 8,026.18 and 1,455.19 is: 2,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.79 : 8,026.18 = 1,455.19 : x
  2. Step 2: Convert to fraction form
    5,350.79/8,026.18 = 1,455.19/x
  3. Step 3: Cross multiply
    5,350.79x = 8,026.18 × 1,455.19
  4. Step 4: Simplify right side
    5,350.79x = 11,679,593.17
  5. Step 5: Solve for x
    x = 11,679,593.17/5,350.79
  6. Step 6: Final answer
    x = 2,182.78

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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.