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Finding the Fourth Proportional to 2,387.63, 3,294.25 and 1,548.37

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Solution

The fourth proportional to 2,387.63, 3,294.25 and 1,548.37 is: 2,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.63 : 3,294.25 = 1,548.37 : x
  2. Step 2: Convert to fraction form
    2,387.63/3,294.25 = 1,548.37/x
  3. Step 3: Cross multiply
    2,387.63x = 3,294.25 × 1,548.37
  4. Step 4: Simplify right side
    2,387.63x = 5,100,701.40
  5. Step 5: Solve for x
    x = 5,100,701.40/2,387.63
  6. Step 6: Final answer
    x = 2,136.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.