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Finding the Fourth Proportional to 48,659, 72,993.18 and 22,371.08

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Solution

The fourth proportional to 48,659, 72,993.18 and 22,371.08 is: 33,558.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,659 : 72,993.18 = 22,371.08 : x
  2. Step 2: Convert to fraction form
    48,659/72,993.18 = 22,371.08/x
  3. Step 3: Cross multiply
    48,659x = 72,993.18 × 22,371.08
  4. Step 4: Simplify right side
    48,659x = 1,632,936,269.23
  5. Step 5: Solve for x
    x = 1,632,936,269.23/48,659
  6. Step 6: Final answer
    x = 33,558.77

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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.