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Finding the Fourth Proportional to 35,636.63, 53,449.13 and 11,954.66

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Solution

The fourth proportional to 35,636.63, 53,449.13 and 11,954.66 is: 17,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,636.63 : 53,449.13 = 11,954.66 : x
  2. Step 2: Convert to fraction form
    35,636.63/53,449.13 = 11,954.66/x
  3. Step 3: Cross multiply
    35,636.63x = 53,449.13 × 11,954.66
  4. Step 4: Simplify right side
    35,636.63x = 638,965,939.09
  5. Step 5: Solve for x
    x = 638,965,939.09/35,636.63
  6. Step 6: Final answer
    x = 17,930.04

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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.