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Finding the Fourth Proportional to 2,756.56, 3,801.36 and 2,528.92

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Solution

The fourth proportional to 2,756.56, 3,801.36 and 2,528.92 is: 3,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.56 : 3,801.36 = 2,528.92 : x
  2. Step 2: Convert to fraction form
    2,756.56/3,801.36 = 2,528.92/x
  3. Step 3: Cross multiply
    2,756.56x = 3,801.36 × 2,528.92
  4. Step 4: Simplify right side
    2,756.56x = 9,613,335.33
  5. Step 5: Solve for x
    x = 9,613,335.33/2,756.56
  6. Step 6: Final answer
    x = 3,487.44

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1.5x scale

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.