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Finding the Fourth Proportional to 48,858.60, 73,190.68 and 26,638.68

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Solution

The fourth proportional to 48,858.60, 73,190.68 and 26,638.68 is: 39,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,858.60 : 73,190.68 = 26,638.68 : x
  2. Step 2: Convert to fraction form
    48,858.60/73,190.68 = 26,638.68/x
  3. Step 3: Cross multiply
    48,858.60x = 73,190.68 × 26,638.68
  4. Step 4: Simplify right side
    48,858.60x = 1,949,703,103.50
  5. Step 5: Solve for x
    x = 1,949,703,103.50/48,858.60
  6. Step 6: Final answer
    x = 39,905.01

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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.