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Finding the Fourth Proportional to 1,823.94, 2,736.31 and 591.47

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Solution

The fourth proportional to 1,823.94, 2,736.31 and 591.47 is: 887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.94 : 2,736.31 = 591.47 : x
  2. Step 2: Convert to fraction form
    1,823.94/2,736.31 = 591.47/x
  3. Step 3: Cross multiply
    1,823.94x = 2,736.31 × 591.47
  4. Step 4: Simplify right side
    1,823.94x = 1,618,446.96
  5. Step 5: Solve for x
    x = 1,618,446.96/1,823.94
  6. Step 6: Final answer
    x = 887.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.