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Finding the Fourth Proportional to 13,474, 18,594.48 and 7,505.92

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Solution

The fourth proportional to 13,474, 18,594.48 and 7,505.92 is: 10,358.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474 : 18,594.48 = 7,505.92 : x
  2. Step 2: Convert to fraction form
    13,474/18,594.48 = 7,505.92/x
  3. Step 3: Cross multiply
    13,474x = 18,594.48 × 7,505.92
  4. Step 4: Simplify right side
    13,474x = 139,568,679.32
  5. Step 5: Solve for x
    x = 139,568,679.32/13,474
  6. Step 6: Final answer
    x = 10,358.37

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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.