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Finding the Fourth Proportional to 48,952.93, 73,415.16 and 18,960.48

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Solution

The fourth proportional to 48,952.93, 73,415.16 and 18,960.48 is: 28,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,952.93 : 73,415.16 = 18,960.48 : x
  2. Step 2: Convert to fraction form
    48,952.93/73,415.16 = 18,960.48/x
  3. Step 3: Cross multiply
    48,952.93x = 73,415.16 × 18,960.48
  4. Step 4: Simplify right side
    48,952.93x = 1,391,986,578.07
  5. Step 5: Solve for x
    x = 1,391,986,578.07/48,952.93
  6. Step 6: Final answer
    x = 28,435.20

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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.