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Finding the Fourth Proportional to 55,983.94, 77,252.74 and 33,319.27

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Solution

The fourth proportional to 55,983.94, 77,252.74 and 33,319.27 is: 45,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,983.94 : 77,252.74 = 33,319.27 : x
  2. Step 2: Convert to fraction form
    55,983.94/77,252.74 = 33,319.27/x
  3. Step 3: Cross multiply
    55,983.94x = 77,252.74 × 33,319.27
  4. Step 4: Simplify right side
    55,983.94x = 2,574,004,625.87
  5. Step 5: Solve for x
    x = 2,574,004,625.87/55,983.94
  6. Step 6: Final answer
    x = 45,977.56

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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.