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Finding the Fourth Proportional to 18,295.29, 27,486.72 and 11,734.29

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Solution

The fourth proportional to 18,295.29, 27,486.72 and 11,734.29 is: 17,629.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.29 : 27,486.72 = 11,734.29 : x
  2. Step 2: Convert to fraction form
    18,295.29/27,486.72 = 11,734.29/x
  3. Step 3: Cross multiply
    18,295.29x = 27,486.72 × 11,734.29
  4. Step 4: Simplify right side
    18,295.29x = 322,537,143.63
  5. Step 5: Solve for x
    x = 322,537,143.63/18,295.29
  6. Step 6: Final answer
    x = 17,629.52

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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.