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Finding the Fourth Proportional to 13,063, 18,026.94 and 7,474

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Solution

The fourth proportional to 13,063, 18,026.94 and 7,474 is: 10,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063 : 18,026.94 = 7,474 : x
  2. Step 2: Convert to fraction form
    13,063/18,026.94 = 7,474/x
  3. Step 3: Cross multiply
    13,063x = 18,026.94 × 7,474
  4. Step 4: Simplify right side
    13,063x = 134,733,349.56
  5. Step 5: Solve for x
    x = 134,733,349.56/13,063
  6. Step 6: Final answer
    x = 10,314.12

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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.