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Finding the Fourth Proportional to 40,134.56, 55,390.56 and 23,367.68

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Solution

The fourth proportional to 40,134.56, 55,390.56 and 23,367.68 is: 32,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134.56 : 55,390.56 = 23,367.68 : x
  2. Step 2: Convert to fraction form
    40,134.56/55,390.56 = 23,367.68/x
  3. Step 3: Cross multiply
    40,134.56x = 55,390.56 × 23,367.68
  4. Step 4: Simplify right side
    40,134.56x = 1,294,348,881.10
  5. Step 5: Solve for x
    x = 1,294,348,881.10/40,134.56
  6. Step 6: Final answer
    x = 32,250.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.