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Finding the Fourth Proportional to 28,596.53, 42,880.17 and 11,952.02

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Solution

The fourth proportional to 28,596.53, 42,880.17 and 11,952.02 is: 17,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596.53 : 42,880.17 = 11,952.02 : x
  2. Step 2: Convert to fraction form
    28,596.53/42,880.17 = 11,952.02/x
  3. Step 3: Cross multiply
    28,596.53x = 42,880.17 × 11,952.02
  4. Step 4: Simplify right side
    28,596.53x = 512,504,649.44
  5. Step 5: Solve for x
    x = 512,504,649.44/28,596.53
  6. Step 6: Final answer
    x = 17,921.92

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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.