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Finding the Fourth Proportional to 25,704, 35,441.28 and 17,305.92

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Solution

The fourth proportional to 25,704, 35,441.28 and 17,305.92 is: 23,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,704 : 35,441.28 = 17,305.92 : x
  2. Step 2: Convert to fraction form
    25,704/35,441.28 = 17,305.92/x
  3. Step 3: Cross multiply
    25,704x = 35,441.28 × 17,305.92
  4. Step 4: Simplify right side
    25,704x = 613,343,956.38
  5. Step 5: Solve for x
    x = 613,343,956.38/25,704
  6. Step 6: Final answer
    x = 23,861.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.