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Finding the Fourth Proportional to 40,196.58, 55,474.65 and 23,430.66

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Solution

The fourth proportional to 40,196.58, 55,474.65 and 23,430.66 is: 32,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,196.58 : 55,474.65 = 23,430.66 : x
  2. Step 2: Convert to fraction form
    40,196.58/55,474.65 = 23,430.66/x
  3. Step 3: Cross multiply
    40,196.58x = 55,474.65 × 23,430.66
  4. Step 4: Simplify right side
    40,196.58x = 1,299,807,662.77
  5. Step 5: Solve for x
    x = 1,299,807,662.77/40,196.58
  6. Step 6: Final answer
    x = 32,336.27

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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.