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Finding the Fourth Proportional to 3,158.60, 4,359.83 and 1,832.83

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Solution

The fourth proportional to 3,158.60, 4,359.83 and 1,832.83 is: 2,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.60 : 4,359.83 = 1,832.83 : x
  2. Step 2: Convert to fraction form
    3,158.60/4,359.83 = 1,832.83/x
  3. Step 3: Cross multiply
    3,158.60x = 4,359.83 × 1,832.83
  4. Step 4: Simplify right side
    3,158.60x = 7,990,807.16
  5. Step 5: Solve for x
    x = 7,990,807.16/3,158.60
  6. Step 6: Final answer
    x = 2,529.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.