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Finding the Fourth Proportional to 7,379.55, 10,182.83 and 4,192.43

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Solution

The fourth proportional to 7,379.55, 10,182.83 and 4,192.43 is: 5,785.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.55 : 10,182.83 = 4,192.43 : x
  2. Step 2: Convert to fraction form
    7,379.55/10,182.83 = 4,192.43/x
  3. Step 3: Cross multiply
    7,379.55x = 10,182.83 × 4,192.43
  4. Step 4: Simplify right side
    7,379.55x = 42,690,730.10
  5. Step 5: Solve for x
    x = 42,690,730.10/7,379.55
  6. Step 6: Final answer
    x = 5,785.00

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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.