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Finding the Fourth Proportional to 7,494.10, 11,243.15 and 2,563.74

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Solution

The fourth proportional to 7,494.10, 11,243.15 and 2,563.74 is: 3,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.10 : 11,243.15 = 2,563.74 : x
  2. Step 2: Convert to fraction form
    7,494.10/11,243.15 = 2,563.74/x
  3. Step 3: Cross multiply
    7,494.10x = 11,243.15 × 2,563.74
  4. Step 4: Simplify right side
    7,494.10x = 28,824,513.38
  5. Step 5: Solve for x
    x = 28,824,513.38/7,494.10
  6. Step 6: Final answer
    x = 3,846.29

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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.