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Finding the Fourth Proportional to 13,274, 18,316.92 and 7,305.92

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Solution

The fourth proportional to 13,274, 18,316.92 and 7,305.92 is: 10,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274 : 18,316.92 = 7,305.92 : x
  2. Step 2: Convert to fraction form
    13,274/18,316.92 = 7,305.92/x
  3. Step 3: Cross multiply
    13,274x = 18,316.92 × 7,305.92
  4. Step 4: Simplify right side
    13,274x = 133,821,952.17
  5. Step 5: Solve for x
    x = 133,821,952.17/13,274
  6. Step 6: Final answer
    x = 10,081.51

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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.