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Finding the Fourth Proportional to 17,151.64, 25,669.02 and 14,381.44

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Solution

The fourth proportional to 17,151.64, 25,669.02 and 14,381.44 is: 21,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,151.64 : 25,669.02 = 14,381.44 : x
  2. Step 2: Convert to fraction form
    17,151.64/25,669.02 = 14,381.44/x
  3. Step 3: Cross multiply
    17,151.64x = 25,669.02 × 14,381.44
  4. Step 4: Simplify right side
    17,151.64x = 369,157,470.99
  5. Step 5: Solve for x
    x = 369,157,470.99/17,151.64
  6. Step 6: Final answer
    x = 21,523.16

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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.