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Finding the Fourth Proportional to 52,028.55, 78,054.98 and 16,968.51

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Solution

The fourth proportional to 52,028.55, 78,054.98 and 16,968.51 is: 25,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,028.55 : 78,054.98 = 16,968.51 : x
  2. Step 2: Convert to fraction form
    52,028.55/78,054.98 = 16,968.51/x
  3. Step 3: Cross multiply
    52,028.55x = 78,054.98 × 16,968.51
  4. Step 4: Simplify right side
    52,028.55x = 1,324,476,623.84
  5. Step 5: Solve for x
    x = 1,324,476,623.84/52,028.55
  6. Step 6: Final answer
    x = 25,456.73

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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.