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Finding the Fourth Proportional to 41,574.30, 62,361.45 and 40,918.20

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Solution

The fourth proportional to 41,574.30, 62,361.45 and 40,918.20 is: 61,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,574.30 : 62,361.45 = 40,918.20 : x
  2. Step 2: Convert to fraction form
    41,574.30/62,361.45 = 40,918.20/x
  3. Step 3: Cross multiply
    41,574.30x = 62,361.45 × 40,918.20
  4. Step 4: Simplify right side
    41,574.30x = 2,551,718,283.39
  5. Step 5: Solve for x
    x = 2,551,718,283.39/41,574.30
  6. Step 6: Final answer
    x = 61,377.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.