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Finding the Fourth Proportional to 48,907.73, 73,334.06 and 15,619.97

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Solution

The fourth proportional to 48,907.73, 73,334.06 and 15,619.97 is: 23,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,907.73 : 73,334.06 = 15,619.97 : x
  2. Step 2: Convert to fraction form
    48,907.73/73,334.06 = 15,619.97/x
  3. Step 3: Cross multiply
    48,907.73x = 73,334.06 × 15,619.97
  4. Step 4: Simplify right side
    48,907.73x = 1,145,475,739.08
  5. Step 5: Solve for x
    x = 1,145,475,739.08/48,907.73
  6. Step 6: Final answer
    x = 23,421.16

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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.