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Finding the Fourth Proportional to 28,463.54, 42,697.37 and 10,933.37

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Solution

The fourth proportional to 28,463.54, 42,697.37 and 10,933.37 is: 16,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463.54 : 42,697.37 = 10,933.37 : x
  2. Step 2: Convert to fraction form
    28,463.54/42,697.37 = 10,933.37/x
  3. Step 3: Cross multiply
    28,463.54x = 42,697.37 × 10,933.37
  4. Step 4: Simplify right side
    28,463.54x = 466,825,876.08
  5. Step 5: Solve for x
    x = 466,825,876.08/28,463.54
  6. Step 6: Final answer
    x = 16,400.84

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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.