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Finding the Fourth Proportional to 48,859.77, 73,300.41 and 27,809.72

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Solution

The fourth proportional to 48,859.77, 73,300.41 and 27,809.72 is: 41,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,859.77 : 73,300.41 = 27,809.72 : x
  2. Step 2: Convert to fraction form
    48,859.77/73,300.41 = 27,809.72/x
  3. Step 3: Cross multiply
    48,859.77x = 73,300.41 × 27,809.72
  4. Step 4: Simplify right side
    48,859.77x = 2,038,463,786.36
  5. Step 5: Solve for x
    x = 2,038,463,786.36/48,859.77
  6. Step 6: Final answer
    x = 41,720.70

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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.