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Finding the Fourth Proportional to 55,904.88, 83,857.38 and 14,351.88

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Solution

The fourth proportional to 55,904.88, 83,857.38 and 14,351.88 is: 21,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,904.88 : 83,857.38 = 14,351.88 : x
  2. Step 2: Convert to fraction form
    55,904.88/83,857.38 = 14,351.88/x
  3. Step 3: Cross multiply
    55,904.88x = 83,857.38 × 14,351.88
  4. Step 4: Simplify right side
    55,904.88x = 1,203,511,054.87
  5. Step 5: Solve for x
    x = 1,203,511,054.87/55,904.88
  6. Step 6: Final answer
    x = 21,527.84

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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.