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Finding the Fourth Proportional to 54,344.88, 81,529.08 and 16,904.28

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Solution

The fourth proportional to 54,344.88, 81,529.08 and 16,904.28 is: 25,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,344.88 : 81,529.08 = 16,904.28 : x
  2. Step 2: Convert to fraction form
    54,344.88/81,529.08 = 16,904.28/x
  3. Step 3: Cross multiply
    54,344.88x = 81,529.08 × 16,904.28
  4. Step 4: Simplify right side
    54,344.88x = 1,378,190,396.46
  5. Step 5: Solve for x
    x = 1,378,190,396.46/54,344.88
  6. Step 6: Final answer
    x = 25,360.08

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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.