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Finding the Fourth Proportional to 2,627.36, 3,920.54 and 2,394.48

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Solution

The fourth proportional to 2,627.36, 3,920.54 and 2,394.48 is: 3,573.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.36 : 3,920.54 = 2,394.48 : x
  2. Step 2: Convert to fraction form
    2,627.36/3,920.54 = 2,394.48/x
  3. Step 3: Cross multiply
    2,627.36x = 3,920.54 × 2,394.48
  4. Step 4: Simplify right side
    2,627.36x = 9,387,654.62
  5. Step 5: Solve for x
    x = 9,387,654.62/2,627.36
  6. Step 6: Final answer
    x = 3,573.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.