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Finding the Fourth Proportional to 48,690.69, 73,072.98 and 32,858.25

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Solution

The fourth proportional to 48,690.69, 73,072.98 and 32,858.25 is: 49,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,690.69 : 73,072.98 = 32,858.25 : x
  2. Step 2: Convert to fraction form
    48,690.69/73,072.98 = 32,858.25/x
  3. Step 3: Cross multiply
    48,690.69x = 73,072.98 × 32,858.25
  4. Step 4: Simplify right side
    48,690.69x = 2,401,050,245.09
  5. Step 5: Solve for x
    x = 2,401,050,245.09/48,690.69
  6. Step 6: Final answer
    x = 49,312.31

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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.