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Finding the Fourth Proportional to 2,362.60, 3,260.31 and 1,314.64

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Solution

The fourth proportional to 2,362.60, 3,260.31 and 1,314.64 is: 1,814.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.60 : 3,260.31 = 1,314.64 : x
  2. Step 2: Convert to fraction form
    2,362.60/3,260.31 = 1,314.64/x
  3. Step 3: Cross multiply
    2,362.60x = 3,260.31 × 1,314.64
  4. Step 4: Simplify right side
    2,362.60x = 4,286,133.94
  5. Step 5: Solve for x
    x = 4,286,133.94/2,362.60
  6. Step 6: Final answer
    x = 1,814.16

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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.