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Finding the Fourth Proportional to 17,064.92, 25,581.80 and 14,449.28

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Solution

The fourth proportional to 17,064.92, 25,581.80 and 14,449.28 is: 21,660.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,064.92 : 25,581.80 = 14,449.28 : x
  2. Step 2: Convert to fraction form
    17,064.92/25,581.80 = 14,449.28/x
  3. Step 3: Cross multiply
    17,064.92x = 25,581.80 × 14,449.28
  4. Step 4: Simplify right side
    17,064.92x = 369,638,591.10
  5. Step 5: Solve for x
    x = 369,638,591.10/17,064.92
  6. Step 6: Final answer
    x = 21,660.73

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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.