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Finding the Fourth Proportional to 2,282.06, 3,423.11 and 743.06

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Solution

The fourth proportional to 2,282.06, 3,423.11 and 743.06 is: 1,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.06 : 3,423.11 = 743.06 : x
  2. Step 2: Convert to fraction form
    2,282.06/3,423.11 = 743.06/x
  3. Step 3: Cross multiply
    2,282.06x = 3,423.11 × 743.06
  4. Step 4: Simplify right side
    2,282.06x = 2,543,580.96
  5. Step 5: Solve for x
    x = 2,543,580.96/2,282.06
  6. Step 6: Final answer
    x = 1,114.60

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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.