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Finding the Fourth Proportional to 1,951.59, 2,693.20 and 1,362.47

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Solution

The fourth proportional to 1,951.59, 2,693.20 and 1,362.47 is: 1,880.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.59 : 2,693.20 = 1,362.47 : x
  2. Step 2: Convert to fraction form
    1,951.59/2,693.20 = 1,362.47/x
  3. Step 3: Cross multiply
    1,951.59x = 2,693.20 × 1,362.47
  4. Step 4: Simplify right side
    1,951.59x = 3,669,405.04
  5. Step 5: Solve for x
    x = 3,669,405.04/1,951.59
  6. Step 6: Final answer
    x = 1,880.21

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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.