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Finding the Fourth Proportional to 48,322.40, 72,629.40 and 41,907.20

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Solution

The fourth proportional to 48,322.40, 72,629.40 and 41,907.20 is: 62,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,322.40 : 72,629.40 = 41,907.20 : x
  2. Step 2: Convert to fraction form
    48,322.40/72,629.40 = 41,907.20/x
  3. Step 3: Cross multiply
    48,322.40x = 72,629.40 × 41,907.20
  4. Step 4: Simplify right side
    48,322.40x = 3,043,694,791.68
  5. Step 5: Solve for x
    x = 3,043,694,791.68/48,322.40
  6. Step 6: Final answer
    x = 62,987.24

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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.