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Finding the Fourth Proportional to 40,041.57, 55,252.50 and 22,134.09

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Solution

The fourth proportional to 40,041.57, 55,252.50 and 22,134.09 is: 30,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,041.57 : 55,252.50 = 22,134.09 : x
  2. Step 2: Convert to fraction form
    40,041.57/55,252.50 = 22,134.09/x
  3. Step 3: Cross multiply
    40,041.57x = 55,252.50 × 22,134.09
  4. Step 4: Simplify right side
    40,041.57x = 1,222,963,807.73
  5. Step 5: Solve for x
    x = 1,222,963,807.73/40,041.57
  6. Step 6: Final answer
    x = 30,542.35

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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.