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Finding the Fourth Proportional to 49,305.86, 73,958.52 and 19,730.54

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Solution

The fourth proportional to 49,305.86, 73,958.52 and 19,730.54 is: 29,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,305.86 : 73,958.52 = 19,730.54 : x
  2. Step 2: Convert to fraction form
    49,305.86/73,958.52 = 19,730.54/x
  3. Step 3: Cross multiply
    49,305.86x = 73,958.52 × 19,730.54
  4. Step 4: Simplify right side
    49,305.86x = 1,459,241,537.20
  5. Step 5: Solve for x
    x = 1,459,241,537.20/49,305.86
  6. Step 6: Final answer
    x = 29,595.70

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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.