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Finding the Fourth Proportional to 48,757.80, 73,157.94 and 19,197.12

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Solution

The fourth proportional to 48,757.80, 73,157.94 and 19,197.12 is: 28,804.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,757.80 : 73,157.94 = 19,197.12 : x
  2. Step 2: Convert to fraction form
    48,757.80/73,157.94 = 19,197.12/x
  3. Step 3: Cross multiply
    48,757.80x = 73,157.94 × 19,197.12
  4. Step 4: Simplify right side
    48,757.80x = 1,404,421,753.13
  5. Step 5: Solve for x
    x = 1,404,421,753.13/48,757.80
  6. Step 6: Final answer
    x = 28,804.04

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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.