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Finding the Fourth Proportional to 16,773.61, 25,163.49 and 6,907.51

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Solution

The fourth proportional to 16,773.61, 25,163.49 and 6,907.51 is: 10,362.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,773.61 : 25,163.49 = 6,907.51 : x
  2. Step 2: Convert to fraction form
    16,773.61/25,163.49 = 6,907.51/x
  3. Step 3: Cross multiply
    16,773.61x = 25,163.49 × 6,907.51
  4. Step 4: Simplify right side
    16,773.61x = 173,817,045.40
  5. Step 5: Solve for x
    x = 173,817,045.40/16,773.61
  6. Step 6: Final answer
    x = 10,362.53

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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.