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Finding the Fourth Proportional to 9,491.10, 13,097.02 and 5,241.48

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Solution

The fourth proportional to 9,491.10, 13,097.02 and 5,241.48 is: 7,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.10 : 13,097.02 = 5,241.48 : x
  2. Step 2: Convert to fraction form
    9,491.10/13,097.02 = 5,241.48/x
  3. Step 3: Cross multiply
    9,491.10x = 13,097.02 × 5,241.48
  4. Step 4: Simplify right side
    9,491.10x = 68,647,768.39
  5. Step 5: Solve for x
    x = 68,647,768.39/9,491.10
  6. Step 6: Final answer
    x = 7,232.86

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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.