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Finding the Fourth Proportional to 40,048.29, 55,264.41 and 22,142.22

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Solution

The fourth proportional to 40,048.29, 55,264.41 and 22,142.22 is: 30,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,048.29 : 55,264.41 = 22,142.22 : x
  2. Step 2: Convert to fraction form
    40,048.29/55,264.41 = 22,142.22/x
  3. Step 3: Cross multiply
    40,048.29x = 55,264.41 × 22,142.22
  4. Step 4: Simplify right side
    40,048.29x = 1,223,676,724.39
  5. Step 5: Solve for x
    x = 1,223,676,724.39/40,048.29
  6. Step 6: Final answer
    x = 30,555.03

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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.