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Finding the Fourth Proportional to 2,730.57, 4,096.39 and 882.15

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Solution

The fourth proportional to 2,730.57, 4,096.39 and 882.15 is: 1,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.57 : 4,096.39 = 882.15 : x
  2. Step 2: Convert to fraction form
    2,730.57/4,096.39 = 882.15/x
  3. Step 3: Cross multiply
    2,730.57x = 4,096.39 × 882.15
  4. Step 4: Simplify right side
    2,730.57x = 3,613,630.44
  5. Step 5: Solve for x
    x = 3,613,630.44/2,730.57
  6. Step 6: Final answer
    x = 1,323.40

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1.5x scale

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.