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Finding the Fourth Proportional to 27,143.72, 40,530.80 and 23,954.58

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Solution

The fourth proportional to 27,143.72, 40,530.80 and 23,954.58 is: 35,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.72 : 40,530.80 = 23,954.58 : x
  2. Step 2: Convert to fraction form
    27,143.72/40,530.80 = 23,954.58/x
  3. Step 3: Cross multiply
    27,143.72x = 40,530.80 × 23,954.58
  4. Step 4: Simplify right side
    27,143.72x = 970,898,291.06
  5. Step 5: Solve for x
    x = 970,898,291.06/27,143.72
  6. Step 6: Final answer
    x = 35,768.80

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.