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Finding the Fourth Proportional to 48,993.58, 73,157.62 and 47,664.98

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Solution

The fourth proportional to 48,993.58, 73,157.62 and 47,664.98 is: 71,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,993.58 : 73,157.62 = 47,664.98 : x
  2. Step 2: Convert to fraction form
    48,993.58/73,157.62 = 47,664.98/x
  3. Step 3: Cross multiply
    48,993.58x = 73,157.62 × 47,664.98
  4. Step 4: Simplify right side
    48,993.58x = 3,487,056,494.15
  5. Step 5: Solve for x
    x = 3,487,056,494.15/48,993.58
  6. Step 6: Final answer
    x = 71,173.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.