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Finding the Fourth Proportional to 2,362.80, 3,260.88 and 1,314.84

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Solution

The fourth proportional to 2,362.80, 3,260.88 and 1,314.84 is: 1,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.80 : 3,260.88 = 1,314.84 : x
  2. Step 2: Convert to fraction form
    2,362.80/3,260.88 = 1,314.84/x
  3. Step 3: Cross multiply
    2,362.80x = 3,260.88 × 1,314.84
  4. Step 4: Simplify right side
    2,362.80x = 4,287,535.46
  5. Step 5: Solve for x
    x = 4,287,535.46/2,362.80
  6. Step 6: Final answer
    x = 1,814.60

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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.