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Finding the Fourth Proportional to 48,993.94, 67,606.46 and 28,849.50

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Solution

The fourth proportional to 48,993.94, 67,606.46 and 28,849.50 is: 39,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,993.94 : 67,606.46 = 28,849.50 : x
  2. Step 2: Convert to fraction form
    48,993.94/67,606.46 = 28,849.50/x
  3. Step 3: Cross multiply
    48,993.94x = 67,606.46 × 28,849.50
  4. Step 4: Simplify right side
    48,993.94x = 1,950,412,567.77
  5. Step 5: Solve for x
    x = 1,950,412,567.77/48,993.94
  6. Step 6: Final answer
    x = 39,809.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.